Ibler, K., et al. “X-Linked Severe Combined Immunodeficiency. Graft-Versus-Host Disease Due to Maternal Engraftment”. European Journal of Pediatric Dermatology, vol. 19, no. 3, Sept. 2009, pp. 139-42, https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/557.