Habitual abortion due to insufficiency of the internal cervical os.
D000026:Abortion, Habitual; D000028:Abortion, Induced / Q000209:etiology*; D000022:Abortion, Spontaneous; D002584:Cervix Uteri; D004194:Disease; D005260:Female; D006801:Humans; D011247:Pregnancy; D014591:Uterine Diseases
ABORTION/etiology and pathogenesis; CERVIX, UTERINE/diseases
N Y State J Med. 1956 Mar 1;56(5):680-90
13297164
Br Med J. 1957 Jul 20;2(5037):128-31
13436876