TY - JOUR T1 - A 69-year-old man with a thick dark pigmentation on his hands, and low back pain JF - Saudi Medical Journal JO - Saudi Med J SP - 1761 LP - 1762 VL - 28 IS - 11 AU - Haytham M. El-Khushman Y1 - 2007/11/01 UR - http://smj.org.sa/content/28/11/1761.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -