Compound heterozygosity for hemoglobin Knossos [alpha 2 beta 2 27 (B9) Ala-Ser] and IVS I-1 mutation - A Gürgey; H Balkan; G Irken; F Gümrük; S Altay; A Kalaycioğlu; C Oner; R Oner (The Turkish Journal of Pediatrics, 1997)