INFLUENCE OF IRON DEFICIENCY AND ALPHA THALASSEMIA-2 ON THE DIAGNOSIS OF BETA THALASSEMIA CARRIER DETERMINED BY HEMOGLOBIN A2 LEVEL -The XXXllad World Congress of The Interrational Society of Hematology, October 19-23, 2008, Bangkok, Thailand -Wong Peerapon, Sanguansermsri Phanchana, Srithipayawan Suchila, Jermnim Nangnoy, Charoenporn Prisana, Nimnuch Nungruethai, Sanguansermsri Torpong |