TY - JOUR T1 - Exertional dyspnea in a 50-year-old man JF - Saudi Medical Journal JO - Saudi Med J SP - 1439 LP - 1440 VL - 27 IS - 9 AU - Amita Singh AU - Jaya Kala AU - Sandeep Sahay AU - Ashok Shah Y1 - 2006/09/01 UR - http://smj.org.sa/content/27/9/1439.abstract ER -