ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] (1) Eggs, up to one day old, were placed on blotting paper disks previously moistened with solutions of the chemicals under test. They were then incubated, in sealed tubes, at 27 (± 0-2) C. Definite responses were obtained with urea. Table 1 shows that urea solutions at the strengths ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/190367b0
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