http://www.cochrane.org/fr/CD009898/la-photopherese-extracorporelle-pour-le-traitement-de-la-maladie-du-greffon-contre-lhote-chronique-apres-une-greffe-de-cellules-souches-hematopoietiques-chez-les-patients-pediatriques 2014 false false false France United Kingdom review of literature french abstract adolescent treatment outcome photopheresis extracorporeal photopheresis graft vs host disease child hematopoietic stem cell transplantation chronic disease