TECHNIQUES for nutrition surveys of large populations.
D001247:Asthenia; D003625:Data Collection; D004032:Diet; D006801:Humans; D008945:Mitral Valve Prolapse; D009449:Neurocirculatory Asthenia; D009749:Nutrition Surveys; D052756:Nutritional Sciences / Q000706:statistics & numerical data*; D009752:Nutritional Status