... familial and sporadic cases of severe hemophilia A. 5. Hemorrhage phenotype attenuation in hemophilia by prothrombotic genes In monogenic diseases such as hemophilia A and B, good correlation ... F8 and F9, Causative Genes of Hemophilia A and Hemophilia B 3 Sung Ho Hwang, Hee-Jin Kim and Hye Sun Kim Chapter 2 Genotype-Phenotype Interaction Analyses in Hemophilia 15 Ana Rebeca Jaloma-Cruz, ... Medicine, Seoul Republic of Korea 1. Introduction Hemophilia, a common congenital coagulation disorder, is classified as hemophilia A (HA) and hemophilia B (HB), which result from a deficiency...