Pulmonary vascular responses to histamine in sheep.
D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004155:Diphenhydramine / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D005260:Female; D006632:Histamine / Q000494:pharmacology*; D008297:Male; D011652:Pulmonary Circulation / Q000187:drug effects*; D012756:Sheep
D006632:Histamine; D004155:Diphenhydramine