| comparison of fecal microflora of elderly persons in rural and urban areas of japan. | the fecal microflora of 15 healthy elderly persons with a median age of 84 years in a rural area whose inhabitants tend to be long-lived (yuzurihara-area, uenohara, yamanashi prefecture) was compared with the microflora of individuals with a median age of 68 years in an urban area (tokyo). the diet of the elderly persons in the yuzurihara area is characterized by a high intake of dietary fiber. total numbers of anaerobic bacteria were significantly smaller in the elderly persons in the yuzurihar ... | 1989 | 2547333 |