| risk factors for cervical intraepithelial neoplasia in southwestern american indian women. | the authors assessed risk factors for cervical intraepithelial neoplasia (cin) among southwestern american indian women using case-control methods. cases were new mexico american indian women with biopsy-proven grade i (n = 190), grade ii (n = 70), or grade iii (n = 42) cervical lesions diagnosed between november 1994 and october 1997. controls were american indian women from the same indian health service clinics with normal cervical epithelium (n = 326). all subjects underwent interviews and l ... | 2000 | 11052549 |