Erythema multiforme and Stevens Johnson syndrome: Different spectrum of an entity or different entities?

Erythema multiforme and Stevens Johnson syndrome: Different spectrum of an entity or different entities?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Pediatric Infectious Disease - Volume 1, Issue 1, January–March 2009, Pages 36-41

Dr. (Consultant Pediatrician),