Vitamin C Deficiency and Depletion in the United States: The Third National Health and Nutrition Examination Survey, 1988 to 1994
Jeffrey S Hampl, PhD, RD,
Christopher A. Taylor, PhD, RD and
Carol S. Johnston, PhD, RD
Jeffrey S Hampl and Carol S. Johnston are with the Department of Nutrition, Arizona State University, Mesa. Christopher A. Taylor is with the Department of Nutritional Science, Oklahoma State University, Stillwater.