Incidence and frequency of infections at specific ages in infancy and childhood; with special reference to upper respiratory infections in potentially rheumatic-susceptible children.
D002648:Child; D006801:Humans; D015994:Incidence; D007223:Infant; D007239:Infections; D012137:Respiratory System; D012140:Respiratory Tract Diseases; D012141:Respiratory Tract Infections
INFECTION/in infant and child; RESPIRATORY TRACT/diseases