Emergency contraception in Mexico City: knowledge, attitudes, and practices among providers and potential clients after a 3-year introduction effort.
Heimburger A, Acevedo-Garcia D, Schiavon R, Langer A, Mejia G, Corona G, del Castillo E, Ellertson C. Emergency contraception in Mexico City: knowledge, attitudes, and practices among providers and potential clients after a 3-year introduction effort. Contraception. 2002 Nov; 66(5):321-9.