title: Letter: Clinical symptoms of malnutrition and plasma ascorbic acid levels.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001205:Ascorbic Acid / Q000097:blood*; D001206:Ascorbic Acid Deficiency / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009748:Nutrition Disorders / Q000097:blood*
chemical_list: D001205:Ascorbic Acid