Nutrition.
D001206:Ascorbic Acid Deficiency / Q000150:complications; D003677:Deficiency Diseases / Q000150:complications*; D003937:Diagnosis, Differential; D004485:Eczema / Q000209:etiology; D006801:Humans; D011565:Psoriasis / Q000209:etiology; D012257:Riboflavin Deficiency / Q000150:complications; D012871:Skin Diseases / Q000209:etiology*