Marta González-Vicent, Manuel Ramírez, Antonio Pérez, Alvaro Lassaletta, Julián Sevilla, and Miguel Ángel Díaz. 2008. “Extracorporeal Photochemotherapy for Steroid-Refractory Graft-Versus-Host Disease in Low-Weight Pediatric Patients. Immunomodulatory Effects and Clinical Outcome”. Haematologica 93 (8). Pavia, Italy, 1278-80. https://doi.org/10.3324/haematol.12688.