Santos, O. A. dos; Borges, A. L. V.; Chofakian, C. B. do N.; Pirotta, K. C. M. Determinants of Emergency Contraception Non-Use Among Women in Unplanned or Ambivalent Pregnancies . Rev. Esc. Enferm. USP 2014, 48 (spe), 16-22. https://doi.org/10.1590/S0080-623420140000600003.