title: H2-receptors in Ascaris suum [proceedings].
mesh_terms: D000818:Animals; D001200:Ascaris / Q000378:metabolism*; D006632:Histamine / Q000494:pharmacology; D009068:Movement / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects; D011968:Receptors, Histamine / Q000378:metabolism*; D011970:Receptors, Histamine H2 / Q000378:metabolism*
chemical_list: D011968:Receptors, Histamine; D011970:Receptors, Histamine H2; D006632:Histamine