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Screening practices for cervical and breast cáncer in Costa Rica
(1991)
Cervical cancer and breast cancer are leading causes of cancer-related morbidity and
mortality in Costa Rica. This article reports results of an evaluation of cervical and
breast cancer screening practices among Costa ...
The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study
(1993-05)
In case-control studies in which case and control enrollment periods are not identical, exposure status for time-dependent variables is often measured relative to a reference date. Using data from a case-control study of ...
Estudios de detección selectiva del cáncer de cérvix y del cáncer de mama en Costa Rica
(1990)
El cáncer de cuello uterino (cáncer de cervix) y el cáncer de mama son las principales causas de morbilidad y mortalidad femenina por cáncer en Costa Rica. Se evaluaron los intentos de detección de estos dos tipos de cáncer ...
Oral Contraceptives and Cervical Cancer Risk in Costa Rica: Detection Bias or Causal Association
(1988-01)
To examine the relationship between cervical cancer and oral contraceptive
(OC) use, we analyzed data from a population-based, case-control study in
Costa Rica. Women aged 25 to 58 years in whom cervical cancer was ...