title: [Letter: Are progestational agents indicated in threatened abortion?].
mesh_terms: D000026:Abortion, Habitual / Q000517:prevention & control*; D000033:Abortion, Threatened / Q000188:drug therapy*; D000367:Age Factors; D005260:Female; D006801:Humans; D006908:Hydroxyprogesterones / Q000031:analogs & derivatives / Q000627:therapeutic use*; D008297:Male; D011247:Pregnancy
chemical_list: D006908:Hydroxyprogesterones
vernacular_title: Zijn progestatieve stoffen geïndiceerd bij dreigende abortus?