TY - GEN AU - Learmonth,G M AU - Durcan,C M AU - Beck,J D TI - The changing incidence of cervical intra-epithelial neoplasia SN - 0256-9574 PY - 1990///0731 KW - Adolescent KW - Adult KW - Black or African American KW - Age Factors KW - Aged KW - Black People KW - Female KW - Humans KW - Middle Aged KW - Pregnancy KW - South Africa KW - epidemiology KW - Uterine Cervical Neoplasms KW - White People N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -