title: Effects of histamine on the in vitro activity of the pregnant and non-pregnant uterus of the rat and guinea pig.
mesh_terms: D000818:Animals; D002927:Cimetidine / Q000494:pharmacology; D004155:Diphenhydramine / Q000494:pharmacology; D004971:Estrus; D005260:Female; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D066298:In Vitro Techniques; D011247:Pregnancy; D051381:Rats; D014590:Uterine Contraction / Q000187:drug effects*; D014599:Uterus / Q000378:metabolism*
chemical_list: D002927:Cimetidine; D006632:Histamine; D004155:Diphenhydramine