Heijnen, L.

patient hemophilia population level netherland hemophilia patients employment introduction 64 years study treatment disability education prophylaxi number 30 years dutch center blood severity table participation health erasmus mc leiden hrqol problem prophylactic treatment quality fi gures ages 16 questionnaire difference leiden university american society ages 31 survey article hepatitis role limitations right rosendaal age category fidence interval status information infection erasmu haemophilia limitation category society university prophylactic factor group rosendaal fr classi fication fi ndings impairment netherlands 5 study hemophilia ages 31 dutch males netherlands hemophilia society replacement therapy 2011. smit c j int med sf -36 part time employment levels library hemophilia patients blood interval classi fication participant volume self-reported fidence