[Study of a phenylethylamine derivative in threatened abortion and premature childbirth].
D000028:Abortion, Induced / Q000628:therapy*; D000022:Abortion, Spontaneous; D000033:Abortion, Threatened; D004809:Ephedrine / Q000628:therapy*; D005260:Female; D006801:Humans; D010627:Phenethylamines; D011247:Pregnancy
D010627:Phenethylamines; D004809:Ephedrine
ABORTION/therapy; EPHEDRINE/therapy