Present HEW policies in primary prevention.
D000062:Accidents, Occupational; D000293:Adolescent; D000649:Amniocentesis; D002648:Child; D002662:Child Health Services; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000175:diagnosis; D025063:Chromosome Disorders; D006233:Persons with Disabilities; D004782:Environmental Health; D005260:Female; D006266:Health Education; D006801:Humans; D009313:National Health Programs; D009747:Nutritional Physiological Phenomena; D009784:Occupational Diseases; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011314:Preventive Health Services; D012106:Research; D014481:United States; D014483:United States Dept. of Health and Human Services