[Survey of dietary habits in the city of Valladolid].
D001206:Ascorbic Acid Deficiency / Q000453:epidemiology; D002136:Calcium, Dietary; D006801:Humans; D009749:Nutrition Surveys; D012257:Riboflavin Deficiency / Q000453:epidemiology; D013030:Spain; D014801:Vitamin A
D002136:Calcium, Dietary; D014801:Vitamin A
Encuesta sobre alimentación en la ciudad de Valadolid.