TY - JOUR AU - Den Uijl, I E; Mauser Bunschoten, E P; Roosendaal, G TI - Clinical severity of haemophilia A: does the classification of the 1950s still stand? JO - Haemophilia IS - 06 VL - 17 PY - 2011 DO - 10.1111/j.1365-2516.2011.02539.x L3 - PubMed-ID: 21545376 SP - 849 EP - 853 ER -