Cita APA

Irwin, K. L., Rosero Bixby, L., Oberle, M. W., Lee, N. C., Whatley, A. S., Fortney, J. A., & Bonhomme, M. G. (1988). Oral Contraceptives and Cervical Cancer Risk in Costa Rica Detection Bias or Causal Association?

Chicago Style Citation

Irwin, Kathleen L., Luis Rosero Bixby, Mark W. Oberle, Nancy C. Lee, Anne S. Whatley, Judith A. Fortney, i Michele G. Bonhomme. Oral Contraceptives and Cervical Cancer Risk in Costa Rica Detection Bias or Causal Association? 1988.

Cita MLA

Irwin, Kathleen L., et al. Oral Contraceptives and Cervical Cancer Risk in Costa Rica Detection Bias or Causal Association? 1988.