5-Minute Pediatric ConsultSearch 5-Minute Pediatric ConsultABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZXanthelasmaXanthomasXeroderma pigmentosumXerostomiaX-linked agammaglobulinemia (XLA)X-linked hypophosphatemic (XLH) ricketsX-linked lymphoproliferative syndrome (XLP)X-linked spinal and bulbar muscular atrophyXylitol chewing gum