Water-soluble vitamin deficiency in the elderly.
D000368:Aged; D001206:Ascorbic Acid Deficiency / Q000175:diagnosis; D005260:Female; D006801:Humans; D012257:Riboflavin Deficiency / Q000175:diagnosis; D013832:Thiamine Deficiency / Q000175:diagnosis; D026681:Vitamin B 6 Deficiency / Q000175:diagnosis; D014804:Vitamin B Deficiency / Q000175:diagnosis*