Bustan, Muhammad Nadjib. Oral contraceptive use and breast cancer a case-control study in Ujung Pandang, South Sulawesi, Indonesia 1990-1991 / [microform] : Muhammad Nadjib Bustan. - Ann Arbor, Mich. : University Microfilms International , 1992 - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-University of South Carolina, 1992 Subjects--Topical Terms: Breast--Cancer--Indonesia--Case studies