Sympathomimetic drugs and lung surfactant factor.
D001623:Betamethasone / Q000494:pharmacology; D005260:Female; D005325:Fetal Organ Maturity / Q000187:drug effects*; D006801:Humans; D008168:Lung / Q000196:embryology* / Q000378:metabolism; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000378:metabolism*; D013566:Sympathomimetics / Q000494:pharmacology*
D011663:Pulmonary Surfactants; D013566:Sympathomimetics; D001623:Betamethasone