HY Law, HY Luo, W Wang, JF Ho, H Najmabadi, IS Ng, MH Steinberg, DH Chui and SS Chong (2006) “Determining the cause of patchwork HBA1 and HBA2 genes: recurrent gene conversion or crossing over fixation events”, Haematologica. Pavia, Italy, 91(3), pp. 297-302. doi: 10.3324/%x.