[Age-dependent seroprevalence of Helicobacter pylori in children and adolescents in the community of Madrid].
Sanz
J C
JC
Fernández
M
M
Sagües
M J
MJ
Ramírez
R
R
García-Comas
L
L
López-Brea
M
M
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D016481:Helicobacter Infections / Q000453:epidemiology*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D008297:Male; D016036:Seroepidemiologic Studies; D013030:Spain / Q000453:epidemiology