Ir. A. L. Van Wezel

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 Call-Exner bodies are present in ovarian follicles of a range of species including human and rabbit, and in a range of human ovarian tumors. We have also found structures resembling Call-Exner bodies in bovine preantral and small antral follicles. Hematoxylin and eosin staining of single sections of bovine ovaries has shown that 30% of preantral follicles(More)
A survey is given of the production methods of bacterial and viral vaccines. Bacterial vaccines include those based on a suspension of live bacteria, like BCG, inactivated bacterial suspensions, like pertussis, and toxoids like tetanus. Viral vaccines described include the live vaccines, like rubella vaccine and inactivated vaccines, like polio vaccine.(More)
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