RT Book, Section A1 Usatine, Richard P. A1 Smith, Mindy A. A1 Chumley, Heidi S. A1 Mayeaux, E.J. SR Print(0) ID 57683185 T1 Chapter 190. Normal Nail Variants T2 The Color Atlas of Family Medicine, 2e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176964-8 LK accessmedicine.mhmedical.com/content.aspx?aid=57683185 RD 2024/04/16 AB A 28-year-old man is in the office for a work physical and asks about the white streaks on his fingernail (Figure 190-1). He has had them on and off all of his adult life, but recently developed more of them and was concerned he may have a vitamin deficiency. He was reassured that this is a normal nail finding often associated with minor trauma.