Oberle MW, Rosero-Bixby L, Irwin KL, Fortney JA, Lee NC, Whatley AS, Bonhomme MG. Cervical cancer risk and use of depot-medroxyprogesterone acetate in Costa Rica. Int J Epidemiol. 1988 Dec;17(4):718-23.
Oberle MW, Rosero-Bixby L, Irwin KL, Fortney JA, Lee NC, Whatley AS, Bonhomme MG. Cervical cancer risk and use of depot-medroxyprogesterone acetate in Costa Rica. Int J Epidemiol. 1988 Dec;17(4):718-23.