ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Specimens of about 1-5 ml. of semen from either Hereford or Friesian bulls were provided by the Cambridge Cattle Breeding Centre. After 24 h for treatment at Babraham to separate the fast and slowly sedimenting spermatozoa, samples from the top and bottom of the columns were given code numbers and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/211863a0