title: Results of a specialized preventive care in women with twin pregnancy.
mesh_terms: D005260:Female; D006760:Hospitalization; D006801:Humans; D009921:Metaproterenol / Q000627:therapeutic use; D007752:Obstetric Labor, Premature / Q000517:prevention & control; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D011272:Pregnancy, Multiple; D011295:Prenatal Care; D012146:Rest; D014427:Twins; D014463:Ultrasonography
chemical_list: D009921:Metaproterenol