Autoimmunity

Herbert B Allen has received his MD degree from Johns Hopkins where he did his Internship. He has completed his Residency at the Naval Regional Medical Center in Philadelphia, PA, USA. He was in practice for 27 years, served as a Clinical Assistant and Associate Professor at the University of Pennsylvania, Hahnemann University and currently at Drexel University College of Medicine for over 20 years. He has been the Professor and Chair of Dermatology at Drexel for the past 14 years.