title: Ultrasonography in 1019 women with menstrual problems.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D005831:Genital Diseases, Female / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008599:Menstruation Disturbances / Q000209:etiology*; D008875:Middle Aged; D014463:Ultrasonography