Receptors. Introduction.
D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001001:Anura; D004305:Dose-Response Relationship, Drug; D004837:Epinephrine / Q000494:pharmacology; D006632:Histamine / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011955:Receptors, Drug / Q000266:history*; D012701:Serotonin / Q000494:pharmacology
D011955:Receptors, Drug; D012701:Serotonin; D006632:Histamine; D000109:Acetylcholine; D009638:Norepinephrine; D004837:Epinephrine