title: Exercise and upper respiratory tract infections. Is there a relationship?
authors: Division of Chronic Disease Control and Community Intervention, Centers for Disease Control, Atlanta, Georgia.
authors: G W
authors: GW
authors: Heath
authors: C A
authors: CA
authors: Macera
authors: D C
authors: DC
authors: Nieman
mesh_terms: D015444:Exercise / Q000502:physiology*; D006801:Humans; D007962:Leukocytes / Q000276:immunology; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000276:immunology*; D012307:Risk Factors; D013315:Stress, Psychological / Q000276:immunology