Listar por autor "Irwin, Kathleen L."

Listar por autor "Irwin, Kathleen L."

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  • Cervical cancer risk and use of depot-medroxyprogesterone acetate in Costa Rica 
    Oberle, Mark W.; Irwin, Kathleen L.; Rosero-Bixby, Luis; Fortney, Judith A.; Lee, Nancy C.; Whatley, Annes S.; Bonhomme, Michele G. (International Epidemiological Association, 1988)
    The long-term safety of the injectable contraceptive, depot medroxyprogesterone acetate (DMPA), has been the subject of intense debate, chiefly because of reports of breast and endometrial neoplasia in animal studies. Most ...
  • Estudios de detección selectiva del cáncer de cérvix y del cáncer de mama en Costa Rica 
    Irwin, Kathleen L.; Oberle, Mark W.; Rosero-Bixby, Luis (Oficina Sanitaria Panamericana, 1990)
    El cáncer de cuello uterino (cáncer de cérvix) y el cáncer de mama son las principales causas de morbilidad y mortalidad femenina por cáncer en Costa Rica. Se evaluaron los métodos de detección de estos dos tipos de cáncer ...
  • Oral contraceptives and cervical cancer risk in Costa Rica 
    Irwin, Kathleen L.; Rosero-Bixby, Luis; Oberle, Mark W.; Lee, Nancy C. (American Medical Association, 1988)
    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 diagnosed ...
  • Screening practices for cervical and breast cancer in Costa Rica 
    Irwin, Kathleen L.; Oberle, Mark W.; Rosero-Bixby, Luis (Pan American Health Organization, 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 Rican ...
  • The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study 
    Rampey, Alvin H.; Irwin, Kathleen L.; Oberle, Mark W.; Kinchen, Steven; Lee, Nancy C.; Marsden, Anne; Rosero-Bixby, Luis (Elsevier, 1993)
    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 ...