title: Images in clinical medicine. Quitter's nail.
authors: Texas Tech University, El Paso 79905.
authors: A
authors: A
authors: Verghese
mesh_terms: D000368:Aged; D006801:Humans; D009260:Nail Diseases / Q000473:pathology*; D010859:Pigmentation Disorders / Q000473:pathology*; D012907:Smoking / Q000009:adverse effects*; D016540:Smoking Cessation