title: Letter: Experimentation with human subjects.
mesh_terms: D000293:Adolescent; D000328:Adult; D001942:Breast Feeding; D002784:Cholesterol / Q000097:blood*; D002791:Cholesterol, Dietary; D005260:Female; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D011247:Pregnancy; D012107:Research Design
chemical_list: D002791:Cholesterol, Dietary; D002784:Cholesterol