RT Book, Section A1 Ginsburg, Beth Y. A2 Nelson, Lewis S. A2 Howland, Mary Ann A2 Lewin, Neal A. A2 Smith, Silas W. A2 Goldfrank, Lewis R. A2 Hoffman, Robert S. SR Print(0) ID 1163011444 T1 Vitamins T2 Goldfrank's Toxicologic Emergencies, 11e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259859618 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1163011444 RD 2024/04/23 AB Vitamins are essential for normal human growth and development.5 By definition, a vitamin is a substance present in small amounts in natural foods, is necessary for normal metabolism, and the lack of which in the diet causes a deficiency disease.46