Acute respiratory tract infections in early childhood.
Harsten
G
G
Department of Oto-Rhino-Laryngology, University Hospital, Lund, Sweden.
Prellner
K
K
Heldrup
J
J
Kalm
O
O
Kornfält
R
R
D000208:Acute Disease; D000367:Age Factors; D002675:Child, Preschool; D003631:Day Care, Medical; D006801:Humans; D015994:Incidence; D007223:Infant; D008137:Longitudinal Studies; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D012621:Seasons; D011795:Surveys and Questionnaires; D013548:Sweden / Q000453:epidemiology