A buccal smear survey for sex chromatin aberration in Hiroshima high school students.
D000293:Adolescent; D002869:Chromosome Aberrations; D005260:Female; D006801:Humans; D007564:Japan; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000175:diagnosis; D008297:Male; D008403:Mass Screening; D009061:Mouth Mucosa; D012728:Sex Chromatin