[1]
B. . E. O. Markman, F. . F. Farias, M. . R. W. Koschtschak, R. . F. Magnelli, and E. . M. Wu, “ Monitoring the quality of hormonal contraceptives distributed by the State Secretary of Health of São Paulo during the period comprised betwe”, Bepa, vol. 8, no. 90, pp. 5–15, Jun. 2011.