BACKGROUND Dietrich Starck (1908-2001) was a German embryologist who wrote extensive reviews on comparative placentation. FINDINGS Starck's embryology textbook and his comprehensive review of comparative embryology and placentation give excellent… Click to show full abstract
BACKGROUND Dietrich Starck (1908-2001) was a German embryologist who wrote extensive reviews on comparative placentation. FINDINGS Starck's embryology textbook and his comprehensive review of comparative embryology and placentation give excellent insights into the foundational literature and are extensively referenced. The many original illustrations include placentas from species that are not well described elsewhere. CONCLUSIONS These resources are especially valuable as a portal to the early literature on comparative placentation.
               
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