ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SIR,-We consider the earlier stages of fertilization include attachment of spermatozoa to the zona pellucida, their movement through it and the presence of spermatozoa in the perivitelline space. Our data1 gave convincing evidence in many eggs of the accomplishment of these earlier stages, and this ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/221981c0
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