No title
Malmo International Brother Study (MIBS) was initiated in 1996 in order to set up an international registry of twins and non-twin brothers with haemophilia and to search for genetic and compound factors predisposing for inhibitor development. As of July, 1997, 178 brother pairs are registered (143 haemophilia A and 35 haemophilia B patients). Sixteen of these pairs are twins. In 48 of the brother
