Collaborative Group on hormonal factors in breast cancer. Breast cancer and hormone replacement therapy: collaborative reanalysis of data from 51 epidemiological studies involving 52 705 women with breast cancer and 108 411 women without breast cancer. 1997. The Lancet. 350:1047-1059
Collaborative Group on Hormonal Factors in Breast Cancer (1996). Breast cancer and hormonal contraceptives: Collaborative reanalysis of individual data on 53,297 women with breast cancer and 100,239 women without breast cancer from 54 epidemiological studies. The Lancet, 347: 1713-27.
Collaborative Group on hormonal factors in breast cancer. Breast cancer and hormonal contraceptives: further results. 1996. Contraception 54(3):1S-106S (supplement)
Stone, K. M., Zaidi, A., Rosero Bixby, L., Oberle, M. W., Reynolds, G., Larsen, S., Nahmias, A. J., Lee, F. K., Schachter, J., & Guinan, M. E. (1995). Sexual behavior, sexually transmited diseases, and risk of cervical cancer. Epidemiology, 6(4), (409-414).
Oberle, M. W., Rosero Bixby, L., & Whitaker, P. (1993). A descriptive epidemiology of infecundity in Costa Rica. In R. S. Gray, H. Leridon, & A. Spira (Editors), Biomedical and Demographic Determinants of Reproduction. (pp. 126-131). UK: Clarendon Press - Oxford.
Larsen, S. A., Oberle, M. W., Sánchez Braverman, J. M., Rosero-Bixby, L., & Vetter, K. M. (1991). A population-based serosurveillance of syphilis in Costa Rica. Sexually Transmitted Diseases, 18(2), 124-128.
Irwin, K. L., Oberle, M. W., & Rosero-Bixby, L. (1991). Screening practices for cervical and breast cancer in Costa Rica. PAHO Bulletin, 25(1), 16-26.
Irwin, K. L., Oberle, M. W., & Rosero-Bixby, L. (1990). Estudios de detección selectiva del cáncer de cervix y del cáncer de mama en Costa Rica. Boletín de la OPS, 109(3), 213-224 (Translated from the previous).
Oberle, M. W., Rosero-Bixby, L., & Larsen, S. (1990). Prevalencia de las enfermedades de transmisión sexual en las mujeres de Costa Rica. Revista Costarricense de Ciencias Médicas 11(2), 44-56.
Vetter, K. M., Barnes, R. C., Oberle, M. W., Rosero-Bixby, L., & Schachter, J. (1990). Seroepidemiology of chlamydia in Costa Rica. Genitourinary Medicine, 66(2), 182-188.
Khabbaz, R. F., Hartley, T. M., Oberle, M. W., & Rosero-Bixby, L. (1990). Seroprevalence of Human T-Lymphotropic Virus type I (HTLV-I) in Costa Rica. AIDS Research and Human Retroviruses, 6(7), 959-960.
Oberle, M. W., Rosero-Bixby, L., & Mekbel Achit, S. (1990). Confirmación histológica del diagnóstico del cáncer cervico-uterino en Costa Rica. Acta Médica Costarricense, 33(3), 94-98.
Rosero-Bixby, L., & Oberle, M. W. (1989). Fertility change in Costa Rica 1960-84: analysis of retrospective lifetime reproductive histories. Journal of Biosocial Science, 21(4), 419-432.
Oberle, M. W., Rosero-Bixby, L., Lee, F. K., Sánchez Braverman, M., Nahmias, A. J., & Guinan, M. E. (1989). Herpes simplex virus type 2 antibodies: high prevalence in monogamous women in Costa Rica. American Journal of Tropical Medicine and Hygiene, 41(2), 224-229.
Irwin, K. L., Rosero-Bixby, L., Oberle, M. W., Lee, N. C., Whatley, A. S., Fortney, J. A., & Bonhome, N. G. (1988). Oral contraceptives and cervical cancer risk in Costa Rica: detection bias or causal association? Journal of the American Medical Association, 259(1), 59-64.
Oberle, M. W., Rosero-Bixby, L., Irwin, K. L., Fortney, J. A., Lee, N. C., Whatley, A. S., & Bonhome, M. G. (1988). Cervical cancer risk and use of Depot-Medroxyprogesterone acetate in Costa Rica. International Journal of Epidemiology, 17(4), 718-723.
Rosero-Bixby, L., Oberle, M. W., & Lee, N. C. (1987). Reproductive history and breast cancer in a population of high fertility, Costa Rica, 1984-5. International Journal of Cancer, 40(6), 747-754.
Rosero-Bixby, L., & Grimaldo, C. (1987). Epidemiología descriptiva del cancer de mama y de cuello de útero en Costa Rica. Boletín de la OPS, 102(5), 483-494.
Rosero-Bixby, L., & Grimaldo, C. (1987). Descriptive epidemiology of cancer of the breast and uterine cervix in Costa Rica. PAHO Bulletin, 21(3), 250-260. (translated from the previous article).
Rosero-Bixby, L., & Oberle, M. W. (1987). Tabaquismo en la mujer costarricense. Revista de Ciencias Sociales, 35, 95-102.
Oberle, M. W., Schable, C. A., Guinan, M. E., & Rosero-Bixby, L. (1987). Human immunodeficiency virus in Costa Rica. PAHO Epidemiological Bulletin, 8(1-2), 14-15.
Lee, N. C., Rosero-Bixby, L., Oberle, M. W., Grimaldo, C., Whatley, A. S., & Rovira, E. Z. (1987). A case-control study of breast cancer and hormonal contraception in Costa Rica. Journal of the National Cancer Institute, 79(6), 1247-1254.
Ramírez, J., Rosero-Bixby, L., & Oberle, M. W. (1987). Susceptibilidad al tétanos y rubeola de las mujeres en Costa Rica. Revista Costarricense de Ciencias Médicas, 9(4), 251-259.