Successful HLA-identical hematopoietic stem cell transplantation in a patient with purine nucleoside phosphorylase deficiency. - Delicou S; Kitra-Roussou V; Peristeri J; Goussetis E; Vessalas G; Rigatou E; Psychou F; Salavoura K; Grafakos S (Pediatric transplantation, 2007)