Results 141 to 150 of about 13,506 (196)

[Epidemiological surveillance at IMSS: a review of institutional successes]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Cabrera-Gaytán DA   +4 more
europepmc   +1 more source

LOS VIAJEROS OPUESTOS

open access: yesAtenea (Concepción), 1944
openaire   +1 more source

Protección para viajeros

open access: yesEvidencia, actualizacion en la práctica ambulatoria, 2001
openaire   +3 more sources

[COVID-19 and the predominant groups of preventive behaviors and associated factors: semi-urban area]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Romero-Gomora A   +8 more
europepmc   +1 more source

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