The influence of breakfast habits on vitamin status in the elderly.
D000368:Aged; D001206:Ascorbic Acid Deficiency / Q000209:etiology; D001361:Avitaminosis / Q000209:etiology*; D002523:Edible Grain; D005247:Feeding Behavior; D005527:Food, Fortified; D006801:Humans; D014804:Vitamin B Deficiency / Q000209:etiology