Epidemiology of cancer: spatial-temporal aggregation.

摘要: Studies of spatial and temporal distribution patterns cancer in man animals have yielded much information identified many topics for more intensive, rigidly designed epidemiologic investigations. In fact, the wealth such leads makes determination priority logistics research important considerations. In addition to specific investigations, long-term ecologic observations human animal populations are be encouraged. There also unexploited opportunities experimental epidemiology that deserve biometrically controlled studies.