Dhungana และผู้แต่งคนอื่นๆ. 1993. A hospital-based case-control study of oral contraceptive use as a risk factor for breast cancer. Faculty of Graduate School, Mahidol University;
Dhungana และผู้แต่งคนอื่นๆ. (1993) A hospital-based case-control study of oral contraceptive use as a risk factor for breast cancer . Mahidol University/Bangkok.
Dhungana และผู้แต่งคนอื่นๆ. A hospital-based case-control study of oral contraceptive use as a risk factor for breast cancer. . Bangkok:Mahidol University, 1993.
Dhungana และผู้แต่งคนอื่นๆ. (1993) A hospital-based case-control study of oral contraceptive use as a risk factor for breast cancer . Mahidol University/Bangkok.