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56. Periodicity of asthma, emphysema, and chronic bronchitis in a northwest health maintenance organization. Osborne ML, Vollmer WM, Buist AS. Chest; 1996 Dec; 110(6):1458-62. PubMed ID: 8989061 [Abstract] [Full Text] [Related]
57. Reported frequency of chronic respiratory diseases as causes of death: age variations. Stat Bull Metropol Life Insur Co; 1965 Aug; 46():6-9. PubMed ID: 5835103 [No Abstract] [Full Text] [Related]
58. [CLINICAL PROBLEMS OF CHRONIC PNEUMONIA]. SCHROEDER KJ, HAENTZSCH S. Z Tuberk Erkr Thoraxorg; 1963 Jul; 120():129-48. PubMed ID: 14049307 [No Abstract] [Full Text] [Related]
59. [SPUTUM MICROFLORA IN CHRONIC OCCUPATIONAL DISEASES OF THE RESPIRATORY ORGANS]. LUNEVA OK. Gig Tr Prof Zabol; 1963 Sep; 7():32-8. PubMed ID: 14109780 [No Abstract] [Full Text] [Related]