Irwin KL, Oberle MW, Rosero-Bixby L. Screening practices for cervical and breast cancer in Costa Rica. Bull Pan Am Health Organ. 1991;25(1):16-26.
Irwin KL, Oberle MW, Rosero-Bixby L. Screening practices for cervical and breast cancer in Costa Rica. Bull Pan Am Health Organ. 1991;25(1):16-26.