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  • 1
    Electronic Resource
    Electronic Resource
    Measurement of collateral flow in experimental coronary occlusion (1970)
    Springer
    Cellular and molecular life sciences 26 (1970), S. 1224-1226 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Es wird ein Verfahren zur autoradiographischen Darstellung der intramyocardialen Durchblutungsverteilung nach experimenteller Coronarocclusion angegeben. Im Versorgungsbereich akut verschlossener Coronararterien wird eine inhomogene Reduktion der Durchblutung beobachtet, wobei die Innenschichten regelmässig stärker als die subepicardialen Myocardanteile betroffen sind.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01897979
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  • 2
    Electronic Resource
    Electronic Resource
    Pseudo-monotone operators and the direct method of the calculus of variations (1970)
    Springer
    Archive for rational mechanics and analysis 38 (1970), S. 268-277 
    Details
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00281524
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  • 3
    Electronic Resource
    Electronic Resource
    Metamorphic facies series of the crystalline basement of Chile (1970)
    Springer
    International journal of earth sciences 59 (1970), S. 979-994 
    Details
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract The main rock types and mineral assemblages of the metamorphic rocks of the territory of Chile are described, and the metamorphic facies are identified. The crystalline basement of Chile consists of predominantly low-grade, semipelitic metamorphic and granitic rocks, exposed mostly along the coastal area of Central and Southern Chile, and in isolated areas of Northern Chile. Radiometric ages of both metamorphic and igneous rocks indicate Late Paleozoic. Three metamorphic series were recognized in Central Chile and used for a tentative classification of the metamorphic rocks from the remaining areas. The series correspond to intermediate-high pressure, intermediate-low pressure, and low pressure conditions of metamorphism, respectively. The formation of these series, their relation toMiyashiro's circumpacific paired belts, and the role of the basement during the Andean orogeny, are briefly discussed.
    Abstract: Resumen Se describen los principales tipos de rocas y asociaciones minerales del basamento cristalino del territorio chileno. Este basamento consiste predominantemente de rocas metamórficas semipelíticas de bajo grado y de rocas graníticas, expuestas de preferencia a lo largo de la región costera de Chile Central y Austral y en áreas aisladas de Chile Septentrional. La edad radiométrica de las rocas metamórficas y graníticas indica Neopaleozoico. En Chile Central se encontraron tres series metamórficas, las que fueron empleadas para la clasificación provisoria de las rocas de otras partes del país. Estas series corresponden a condiciones de metamorfismo a presiones intermedia-alta, intermedia-baja, y baja, respectivamente. Se discuten brevemente la formación de las series, su relación a los arcos circumpacíficos apareados deMiyashiro, y el papel del basamento durante la orogénesis andina.
    Notes: Zusammenfassung Die Haupttypen der metamorphen Gesteine Chiles und deren Mineralzusammensetzung werden beschrieben und deren metamorphe Fazies charakterisiert. Das chilenische kristalline Grundgebirge besteht in der Hauptsache aus Graniten und semipelitischen Gesteinen, die unter den Bedingungen der niedriggradigen Metamorphose umgewandelt wurden. Die Gesteine sind in der Regel in der Küstenzone Süd- und Zentral-Chiles aufgeschlossen; in Nord-Chile treten sie isoliert auf. Radiometrische Altersbestimmungen ergaben sowohl für die Tiefenwie für die metamorphen Gesteine ein spätpaläozoisches Alter. In Zentral-Chile wurden drei metamorphe Serien erkannt und für eine erste Klassifizierung der metamorphen Gesteine dieses Gebietes herangezogen. Die Serien entstanden in der Hauptsache durch Metamorphoseprozesse, die unter mittleren bis hohen, mittleren bis tiefen und tiefen Drücken abliefen. Die Bildung dieser Serien, ihre Beziehung zuMiyashiro's zirkumpazifischen Gürtelpaaren und die Rolle des Grundgebirges während der Anden-Orogenese werden kurz diskutiert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02042280
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  • 4
    Electronic Resource
    Electronic Resource
    Abnormalities of human sex chromosomes (1974)
    Springer
    Human genetics 〈Berlin〉 21 (1974), S. 301-308 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Die cytogenetische Untersuchung eines Paares eineiiger, geistig zurückgebliebener Zwillinge mit dem Chromosomenstatus 48,XXXY wird dargestellt; bei dem einen Paarling konnten außerdem ausgedehnte klinische und endokrinologische Studien durchgeführt werden. Außerdem wurden die genetischen und klinischen Merkmale der 30 bekannten Fälle mit 48,XXXY dargestellt und mit denen von Patienten mit 47,XXY und mit 49,XXXXY verglichen. Bei Fällen mit 47,XXY ist das mütterliche Alter deutlich erhöht; bei 48,XXXY ist es eindeutig, aber nur leicht erhöht; es sieht so aus, als ob es für 49,XXXXY überhaupt nicht erhöht wäre. Defekte der Entwicklung, die dem Typ nach ähnlich sind, scheinen dem Ausmaß nach desto mehr ausgeprägt zu sein, je mehr X-Chromosomen zusätzlich bei dem normalen männlichen Chromosomensatz vorhanden sind. 47,XXY Individuen können entweder schwachsinnig sein oder eine normale Intelligenz haben; dagegen zeigten alle Fälle mit 48,XXXY und 49,XXXXY einen schweren Schwachsinn. Es wird die interessante Frage aufgeworfen, ob die Zwillingshäufigkeit bei Poly X-Männern erhöht ist.
    Notes: Summary The cytogenetic study of a pair of identical, mentally-retarded twins with the chromosome complement 48,XXXY is reported, along with extensive clinical and endocrinological studies of one twin. The genetic and clinical features of 30 reported 48,XXXY individuals were summarized and compared to those of 47,XXY and 49,XXXXY individuals. For 47,XXY the mean maternal age clearly is increased; for 48,XXXY it appears definitely but only slightly increased; and for 49,XXXXY it may not be increased at all. Developmental defects, similar in type, appear to be progressively more marked when an additional 1, 2, or 3 X chromosomes are added to the normal male chromosome complement. 47,XXY individuals may be either normal in intelligence or mentally retarded, whereas severe mental retardation has been present in all those with the complements 48,XXXY and 49,XXXXY. The interesting suggestion of increased twining associated with poly-X male complements is noted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00273367
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  • 5
    Electronic Resource
    Electronic Resource
    Evaluation of a new round glass coverslip for cytological examination of cultured amniotic fluid cells (1974)
    Springer
    Human genetics 〈Berlin〉 25 (1974), S. 217-220 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Glass coverslip and plastic surfaces were quantitatively evaluated for growth-supporting capacity by determining the number and size of colonies formed in primary cultures of amniotic fluid (AF) cells. Round coverslips, designed to fit exactly a 35 mm plastic culture dish, were cleaned by 9 different methods and compared with plastic culture dish bottoms. Analysis by studentized range graph paper of Preliminary and Supplementary Experiments detected no significant difference among cultures on the differently cleaned glass coverslip or plastic surfaces. These round coverslips are particularly useful for efficient recovery of AF cells (or other cultured cells) for cytological examination, chromosome analysis of cells in situ, or microanalytic techniques performed during early AF cell culture when attached and dividing cells are few.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00281429
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  • 6
    Electronic Resource
    Electronic Resource
    Asymptotic fixed point theorems (1970)
    Springer
    Mathematische Annalen 185 (1970), S. 38-60 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01350760
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  • 7
    Electronic Resource
    Electronic Resource
    Nonlinear mappings of analytic type in Banach spaces (1970)
    Springer
    Mathematische Annalen 185 (1970), S. 259-278 
    Details
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01349949
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  • 8
    Electronic Resource
    Electronic Resource
    Lipids of membranes and of the cell envelope in heterocysts of a blue-green alga (1972)
    Springer
    Planta 107 (1972), S. 69-80 
    Details
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Heterocysts of Anabaena cylindrica, isolated rapidly in the cold, were found—in contrast to earlier reports—to contain all of the same lipids and lipophilic pigments, and in about the same proportions, as vegetative cells. In broken filaments and in heterocysts damaged during isolation, the membrane lipids and certain pigments (myxoxanthophyll and an unidentified red pigment) break down rapidly. The glycolipids specific to heterocyst-forming blue-green algae are localized in the laminated layer of the heterocyst envelope. A possible role of the laminated layer is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00398015
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  • 9
    Electronic Resource
    Electronic Resource
    Synaptic influences on identified neurons in an aberrant parieto-visceral ganglion of Aplysia (1970)
    Springer
    Journal of comparative physiology 66 (1970), S. 318-325 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. One aberrant parieto-visceral (abdominal) ganglion in Aplysia californica was found in which the right hemiganglion was separated from the left hemiganglion by a commissure approximately 1 cm long. 2. Simultaneous records were made from R15 (intracellular) and the commissure in the isolated right hemiganglion; from L11 (intracellular) and the genital and pericardial nerves in the isolated left hemiganglion; in addition, intracellular recordings were made from R14. 3. These and other cells were found in their respective hemiganglia in the position they usually occupy in the normal ganglion. 4. The recordings have allowed us to indicate the relative influence or lack of influence of L10 and Interneuron II on R15 and L11 in their respective hemiganglia and the position of Interneuron II as being in the right hemiganglion. 5. R15 was shown to send an axon into the interganglionic commissure. R15's bursting activity was modulated by an ILD-E input from Interneuron II in that hemiganglion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00297832
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of the proportion transformation on central tendency (1972)
    Springer
    Mathematical geology 4 (1972), S. 269-270 
    Details
    ISSN: 1573-8868
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02311723
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