Kenneth D. Fisher

Trends in blood folate and vitamin B-12 concentrations in the United States, 1988–2004

Christine M Pfeiffer, Clifford L. Johnson, Ram B. Jain et al. · American Journal of Clinical Nutrition · 2007 · 304 citations · Full text

Vitamin Nutrition, Nutrition, Vitamin B-12 Concentrations +10

Dietary Supplement Use Among Infants, Children, and Adolescents in the United States, 1999-2002

Mary Frances Picciano, Johanna Dwyer, Kathy Radimer et al. · Archives of Pediatrics and Adolescent Medicine · 2007 · 160 citations

Medicinal herbs in the United States: research needs.

H.B. Matthews, George W. Lucier, Kenneth D. Fisher · Environmental Health Perspectives · 1999 · 138 citations · Full text

Sensitive Subpopulations, Medicinal Chemistry, Active Ingredient +11

The caffeine contents of dietary supplements commonly purchased in the US: analysis of 53 products with caffeine-containing ingredients

Karen Andrews, Amy Schweitzer, Cuiwei Zhao et al. · Analytical and Bioanalytical Chemistry · 2007 · 114 citations

Nutrition, Dietary Supplements, Food Bioactive Compound +8

Anthropometric Standards for the Assessment of Growth and Nutritional Status

Kenneth D. Fisher · American Journal of Clinical Nutrition · 1990 · 91 citations

Obesity, Nutrition, Malnutrition +10