A historic moment: the discovery of the chemical transmission of embryonic inductions.
Hamburger
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Department of Biology, Washington University, St. Louis, Mo. 63130, USA.
D000818:Animals; D004626:Embryology / Q000266:history*; D049673:History, 20th Century; D009420:Nervous System / Q000196:embryology*; D009424:Nervous System Physiological Phenomena; D009435:Synaptic Transmission / Q000502:physiology*