Cross cultural study of premenstrual symptoms.
D003431:Cross-Cultural Comparison; D005006:Ethnicity; D005260:Female; D006115:Greece; D006801:Humans; D007564:Japan; D009549:Nigeria; D011293:Premenstrual Syndrome / Q000453:epidemiology*; D011602:Psychophysiologic Disorders / Q000453:epidemiology; D014421:Turkey; D014481:United States