Browsing by Author "Lee, Nancy C."

Browsing by Author "Lee, Nancy C."

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  • Lee, Nancy C.; Rosero-Bixby, Luis; Oberle, Mark W.; Grimaldo Vásquez, Carmen; Whatley, Annes S.; Rovira, Elizabeth Z. (Oxford University Press, 1987)
    By 1981, 11% of married women in Costa Rica ages 20-49 years had used depot-medroxyprogesterone acetate (DMPA) and 58% had used oral contraceptives (OCs). Since 1977, the Costa Rican Ministry of Health has maintained ...
  • 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 ...
  • 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 ...
  • Rosero-Bixby, Luis; Oberle, Mark W.; Lee, Nancy C. (John Wiley & Sons, Inc., 1987)
    The relationship between breast cancer and women’s reproductive history in Costa Rica was analyzed using logistic regression methods on data from 171 breast cancer cases and 826 population-based controls aged 25-5B years. ...
  • 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 ...

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