Andrews, N., Waight, P. A., Borrow, R., Ladhani, S., George, R. C., Slack, M. P. E., & Miller, E. (2011). Using the Indirect Cohort Design to Estimate the Effectiveness of the Seven Valent Pneumococcal Conjugate Vaccine in England and Wales. Public Library of Science.
Chicago Stili AlıntıAndrews, Nick, Pauline A. Waight, Ray Borrow, Shamez Ladhani, Robert C. George, Mary P. E. Slack, ve Elizabeth Miller. Using the Indirect Cohort Design to Estimate the Effectiveness of the Seven Valent Pneumococcal Conjugate Vaccine in England and Wales. Public Library of Science, 2011.
MLA AlıntıAndrews, Nick, et al. Using the Indirect Cohort Design to Estimate the Effectiveness of the Seven Valent Pneumococcal Conjugate Vaccine in England and Wales. Public Library of Science, 2011.