[Prevalence of tubercular infection in first-grade of elementary school of La Rioja].
López de Valdivielso
M J
MJ
Díez-Ripollés
P
P
Ramalle-Gómara
E
E
D002648:Child; D006801:Humans; D015995:Prevalence; D013030:Spain / Q000453:epidemiology; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis / Q000453:epidemiology*
Prevalencia de infección tuberculosa en escolares de primero de primaria de La Rioja.