[1]
Pinilla G., E., Forero B, C.M. and Valdivieso C, M.C. 2009. Sexualandreproductivehealth servicesaccordingtoadolescentsboys(Bucaramanga, Colombia). Revista Facultad Nacional de Salud Pública. 27, 2 (Sep. 2009), 1–5. DOI:https://doi.org/10.17533/udea.rfnsp.327.