title: Presence of histamine H2-receptors in the guinea-pig pulmonary vascular bed.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000804:Angiotensin II / Q000494:pharmacology; D000818:Animals; D001593:Benzyl Compounds / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D005029:Ethylenediamines / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D006632:Histamine / Q000378:metabolism* / Q000494:pharmacology; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007093:Imidazoles / Q000494:pharmacology*; D066298:In Vitro Techniques; D008168:Lung / Q000098:blood supply / Q000187:drug effects / Q000378:metabolism*; D008297:Male; D009638:Norepinephrine / Q000494:pharmacology; D010477:Perfusion; D011651:Pulmonary Artery / Q000378:metabolism; D011667:Pulmonary Veins / Q000378:metabolism; D011725:Pyridines / Q000494:pharmacology; D011955:Receptors, Drug / Q000187:drug effects*; D012701:Serotonin / Q000494:pharmacology; D013890:Thiourea / Q000494:pharmacology*
chemical_list: D001593:Benzyl Compounds; D005029:Ethylenediamines; D006634:Histamine H1 Antagonists; D007093:Imidazoles; D011725:Pyridines; D011955:Receptors, Drug; D000804:Angiotensin II; D012701:Serotonin; D006632:Histamine; D013890:Thiourea; D000109:Acetylcholine; D009638:Norepinephrine