Human embryos in vitro: pioneer illustrations of oocyte maturation, fertilization, cleavage and blastulation.
Churchill College, Storey's Way, Cambridge CB3 0DS, UK.
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Edwards
D000818:Animals; D004626:Embryology / Q000266:history*; D005307:Fertilization in Vitro / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010781:Photography / Q000266:history