00514nab a2200157 uc450000100070000000500170000700800410002403500110006503500210007604000130009704100080011010000390011824500290015765000250018677301450021179624120240201184928.0030214e20021201                    spa    a796241  a(OCoLC)820008261  ccomduadb  aspa10aBarquin Calderon, Manuel4auteaut13aLa moderna salud publica 7aSalud pública2dcs0 tRevista Médica del Instituto Mexicano del Seguro Social  (México)gVol. 40, No. 06, Nov.-Dic.2002, p. 483-486w332961x0443-51170108785