ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Initially, human semen was obtained from a hospital clinic, but there were two disadvantages; first, many of the samples showed poor sperm density and motility, and second, the time between ejaculation and reception of the semen at the laboratory was very variable. Later, an arrangement was made ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/253352a0
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