Tiendrebeogo CO, Joseph V, Bicaba F, Bila A, Bicaba A, Druetz T. Does abolishing user fees for family planning increase contraception use? An impact evaluation of the national policy in Burkina Faso. J Glob Health. 2022 Oct 14;12:04086. doi: 10.7189/jogh.12.04086. PubMed PMID: 36227754; PubMed Central PMCID: PMC9559360.