title: Pulmonary vascular responses during advancing gestation in fetal lambs in utero.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D005260:Female; D005865:Gestational Age; D000860:Hypoxia / Q000196:embryology* / Q000503:physiopathology; D010100:Oxygen / Q000097:blood; D011247:Pregnancy; D011652:Pulmonary Circulation / Q000187:drug effects; D012756:Sheep
chemical_list: D000109:Acetylcholine; D010100:Oxygen