ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In March 1961, 20 half-bred (Romney x Border Leicester) parous 7 year-old ewes which had been ovari-ectoraized 5 weeks previously were injected with a total of 40 mg progesterone. They were allocated at random into four groups (1, 2, 3 and 4) and injected intramuscularly with 0, 50, 100 and 150 pig ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/198299b0
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