[Beta 2 agonists].
D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000517:prevention & control; D011247:Pregnancy
D000318:Adrenergic beta-Agonists
Bêta 2 stimulants.