61. Effects of the WHO's 8-step Wheelchair Service Delivery Process on Wheelchair Users in El Salvador: A Cohort Study, 2019 Bookmark Format Single study
62. El Salvador Encuesta Nacional de Fecundidad, Planificacion Familiar y Comunicacion Masiva 1978 (FESAL-78) Bookmark Format Single study
68. El Salvador Peace Negotiations 1989-1992: Interviews and Documents, 2019-2020 Bookmark Format Single study
69. El Salvador reproductive health survey = encuesta nacional de salud familiar : FESAL 2008 : informe resumido = summary report. Bookmark Format Single study