The perilous journey of nutrition evaluation.
D000328:Adult; D002675:Child, Preschool; D003362:Cost-Benefit Analysis; D005069:Evaluation Studies as Topic; D005260:Female; D006285:Health Planning; D006801:Humans; D007223:Infant; D009313:National Health Programs / Q000191:economics* / Q000458:organization & administration; D009748:Nutrition Disorders / Q000517:prevention & control; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D011057:Politics; D011247:Pregnancy