A survey of 216 elderly men and women in general practice.
D000368:Aged; D001206:Ascorbic Acid Deficiency / Q000453:epidemiology*; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D014060:Tongue Diseases / Q000453:epidemiology*; D006113:United Kingdom; D014804:Vitamin B Deficiency / Q000453:epidemiology*