title: Letter: Uterine muscle cell relaxation during pregnancy. Receptor therory-a new explanation.
mesh_terms: D000262:Adenylyl Cyclases / Q000378:metabolism; D000242:Cyclic AMP / Q000378:metabolism; D004967:Estrogens / Q000378:metabolism; D005260:Female; D006801:Humans; D011247:Pregnancy; D014590:Uterine Contraction; D014599:Uterus / Q000378:metabolism
chemical_list: D004967:Estrogens; D000242:Cyclic AMP; D000262:Adenylyl Cyclases