Results 191 to 200 of about 3,910,125 (270)

Cinco equívocos sobre la investigación basada en estudios de caso

open access: yesEstudios Sociológicos, 2005
Bent Flyvbjerg, Lorena Murillo Saldaña
doaj  

[Risk factors associated with maternal and child pertussis vaccination coverage in MexicoFatores de risco associados à vacinação materno-infantil contra a pertússis no México]. [PDF]

open access: yesRev Panam Salud Publica
Silva Dirzo M   +19 more
europepmc   +1 more source

[Clinical experience on the use of formulas for cow's milk protein allergy in Pediatric consultations]. [PDF]

open access: yesAten Primaria
Rubio-Jovani C   +1 more
europepmc   +1 more source

[Presence of Aedes aegypti in a high altitude area in Bolivia] [PDF]

open access: yesRev Fac Cien Med Univ Nac Cordoba
Rios-Escalier C   +3 more
europepmc   +1 more source

Estudio comparativo de cuatro analizadores diferentes para la evaluación prenatal del riesgo de trisomía 21. [PDF]

open access: yesAdv Lab Med
García-Simón N   +3 more
europepmc   +1 more source

[Pneumococcal meningitis in a tertiary care hospital: clinical characteristics, serotype distribution, and vaccination status]. [PDF]

open access: yesRev Esp Quimioter
Castellares-González CI   +4 more
europepmc   +1 more source

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