title: Chlamydia pneumoniae and the "Dutch Hypothesis".
authors.forename: David L
authors.initials: DL
authors.lastname: Hahn
mesh_terms: D016993:Chlamydophila pneumoniae / Q000276:immunology; D003937:Diagnosis, Differential; D006801:Humans; D007070:Immunoglobulin A / Q000097:blood; D008171:Lung Diseases / Q000175:diagnosis; D018410:Pneumonia, Bacterial / Q000150:complications / Q000175:diagnosis / Q000276:immunology
chemical_list: D007070:Immunoglobulin A