[The decline of tuberculosis infection in schoolchildren of Barcelona].
Villalbí
J R
JR
Caylà
J A
JA
Taberner
J L
JL
Serra
T
T
D000367:Age Factors; D002648:Child; D006801:Humans; D013030:Spain; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis / Q000453:epidemiology*
El declive de la infección tuberculosa en los escolares de Barcelona.