The possible role of microorganisms and viruses in the etiology of chronic degenerative diseases of man.
D000818:Animals; D001168:Arthritis / Q000382:microbiology; D002493:Central Nervous System Diseases / Q000382:microbiology; D002908:Chronic Disease / Q000382:microbiology*; D006331:Heart Diseases / Q000382:microbiology; D006801:Humans; D008659:Metabolic Diseases / Q000382:microbiology; D009393:Nephritis / Q000382:microbiology; D009404:Nephrotic Syndrome / Q000382:microbiology; D011656:Pulmonary Emphysema / Q000382:microbiology; D012608:Scrapie / Q000382:microbiology; D012756:Sheep