Crohn disease.
Department of Pathology and Laboratory Medicine - David Geffen School of Medicine - University of California, Los Angeles/CA - USA . ; Department of Pathology and Laboratory Medicine - Weill Cornell Medical College, New York/NY - USA .
Stephen A
SA
Geller
Internal Medicine Division - Hospital Universitário - Universidade de São Paulo, São Paulo/SP - Brazil .
Fernando P F
FP
de Campos
Crohn Disease; History of Medicine; Pathology