Letter: Influence of digitalis on labour.
D002555:Cerebrospinal Fluid / Q000378:metabolism; D004070:Digitalis / Q000494:pharmacology*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000187:drug effects*; D010946:Plants, Medicinal; D010947:Plants, Toxic; D011247:Pregnancy; D012636:Secretory Rate / Q000187:drug effects