Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
164 (1949), S. 1138-1138
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] STARTING in November 1948, a series of tests1 for pregnancy were performed using the native male toad, Bufo melanostictus Schneid. Specimens of urine from women pregnant from six weeks to seven months were used. In each series, two or more experimental toads were used. Controls ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1641138a0
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