ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Six females were kept at +5 C in short photoperiod (10 h light: 14 h dark) from July to September. Lighting was provided by fluorescent lamps and the mean intensity of light was about 300 Ix. Females were bled once a week and progesterone in plasma was determined, using a radioimmunoassay ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/278849a0
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