Ethnic comparability of the relation between early coital trends and cervical cancer.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D002648:Child; D003075:Coitus; D003469:Culture; D005006:Ethnicity; D005260:Female; D006801:Humans; D008875:Middle Aged; D014481:United States; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology*; D044465:White People