title: Field trials and community trials: importance in public health.
authors.affiliation: Escuela de Postgrado, Universidad Privada Antenor Orrego, Trujillo, Perú; Departamento de Pediatría, Hospital Belén, Trujillo, Perú. Address: Urbanización Covicorti, Manzana Z, lote 27, Trujillo, La Libertad, Perú. Email: jpiedrux@hotmail.com.
authors.forename: Jorge Mario
authors.initials: JM
authors.lastname: Piedra-Fernández
authors.affiliation: Escuela de Postgrado, Universidad Privada Antenor Orrego, Trujillo, Perú; Departamento de Pediatría, Hospital Belén, Trujillo, Perú.
authors.forename: Gema Esmeralda
authors.initials: GE
authors.lastname: Ganoza-Guerrero
mesh_terms: D035843:Biomedical Research / Q000458:organization & administration*; D002986:Clinical Trials as Topic / Q000379:methods*; D003906:Developing Countries; D006801:Humans; D011634:Public Health