title: The relaxant action of ritodrine, a sympathomimetic amine, on the uterus during term labor.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D001794:Blood Pressure / Q000187:drug effects; D005260:Female; D005318:Fetal Heart / Q000187:drug effects; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007743:Labor, Obstetric; D009119:Muscle Contraction / Q000187:drug effects; D011247:Pregnancy; D013566:Sympathomimetics / Q000627:therapeutic use*; D014599:Uterus / Q000187:drug effects*
chemical_list: D000319:Adrenergic beta-Antagonists; D013566:Sympathomimetics