Croup and epiglottitis.
D002648:Child; D002675:Child, Preschool; D003440:Croup / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D004825:Epiglottis; D006192:Haemophilus Infections; D006801:Humans; D007223:Infant; D007384:Intermittent Positive-Pressure Breathing; D007827:Laryngitis / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D018184:Paramyxoviridae Infections