Preterm labour: a rational approach to improve management.
D002585:Cesarean Section; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007752:Obstetric Labor, Premature / Q000188:drug therapy / Q000601:surgery / Q000628:therapy*; D011247:Pregnancy; D011943:Receptors, Adrenergic, beta / Q000627:therapeutic use
D011943:Receptors, Adrenergic, beta