RT Book, Section A1 Ginsburg, Beth Y. A2 Hoffman, Robert S. A2 Howland, Mary Ann A2 Lewin, Neal A. A2 Nelson, Lewis S. A2 Goldfrank, Lewis R. SR Print(0) ID 1108429217 T1 Vitamins T2 Goldfrank's Toxicologic Emergencies, 10e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071801843 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1108429217 RD 2024/04/20 AB Vitamins are essential for normal human growth and development.49 By definition, a vitamin is a substance present in small amounts in natural foods, is necessary for normal metabolism, and whose lack in the diet causes a deficiency disease.42