[On subacute and chronic maxillary sinusitis in children].
D002648:Child; D002908:Chronic Disease; D004194:Disease; D006801:Humans; D007223:Infant; D008443:Maxillary Sinus; D015523:Maxillary Sinusitis; D010254:Paranasal Sinus Diseases; D012852:Sinusitis
MAXILLARY SINUS/diseases; SINUSITIS/in infancy and childhood