Epidemiology for nutritionists: 1. Some general principles.
D004812:Epidemiologic Methods; D004813:Epidemiology / Q000639:trends; D006304:Health Status; D006801:Humans; D009748:Nutrition Disorders / Q000453:epidemiology*; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D011153:Population; D012107:Research Design