"There is no free here, you have to pay": actual and perceived costs as barriers to intermittent preventive treatment of malaria in pregnancy in Mali.
Klein MC, Harvey SA, Diarra H, Hurley EA, Rao N, Diop S, Doumbia S. "There is no free here, you have to pay": actual and perceived costs as barriers to intermittent preventive treatment of malaria in pregnancy in Mali. Malar J. 2016 Mar 12; 15:158.