title: Monitoring community health workers' performance through lot quality-assurance sampling.
authors.forename: J J
authors.initials: JJ
authors.lastname: Valadez
authors.forename: L
authors.initials: L
authors.lastname: Weld
authors.forename: W V
authors.initials: WV
authors.lastname: Vargas
mesh_terms: D003150:Community Health Workers / Q000592:standards*; D003364:Costa Rica; D006801:Humans; D011785:Quality Assurance, Health Care; D014611:Vaccination / Q000592:standards