Recurrent erythema multiforme major in an 8-year-old patient with recurrence of herpetic gingivostomatitis and HLA-B*5801 haplotype: A causal or casual relationship?
1 Department of Internal Medicine and Medical Specialties, "La Sapienza" University of Rome, Rome, Italy.
2 Department of Pediatrics, Fondazione Policlinico San Matteo IRCCS, University of Pavia, Pavia, Italy.
3 Department of Pathology, Fondazione Policlinico San Matteo IRCCS, University of Pavia, Pavia, Italy.
4 Institute of Dermatology, Department of Clinical-Surgical, Diagnostic and Pediatric Science, Fondazione Policlinico San Matteo IRCCS, University of Pavia, Pavia, Italy.