Letter: prostaglandin-induced abortion and cervical incompetence.
D000028:Abortion, Induced / Q000009:adverse effects*; D000022:Abortion, Spontaneous / Q000209:etiology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011453:Prostaglandins / Q000009:adverse effects*; D002581:Uterine Cervical Incompetence / Q000209:etiology*
D011453:Prostaglandins