title: Haemophilus parainfluenzae and H influenzae respiratory infections: comparison of clinical features.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006801:Humans; D008875:Middle Aged; D018184:Paramyxoviridae Infections / Q000382:microbiology*; D018108:Respirovirus / Q000302:isolation & purification; D012189:Retrospective Studies