title: Two kinds of tryptamine receptor. 1957.
authors.forename: J H
authors.initials: JH
authors.lastname: Gaddum
authors.forename: Z P
authors.initials: ZP
authors.lastname: Picarelli
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D049673:History, 20th Century; D007082:Ileum / Q000187:drug effects / Q000378:metabolism*; D011985:Receptors, Serotonin / Q000145:classification / Q000187:drug effects / Q000266:history*; D012702:Serotonin Antagonists / Q000266:history / Q000494:pharmacology
chemical_list: D011985:Receptors, Serotonin; D012702:Serotonin Antagonists