John McFadden, MD
England
Consultant Dermatologist,<br> St John's Institute of Dermatology, London, UK
Dr John McFadden is a Consultant Dermatologist at the world-renowned St John's Institute of Dermatology. He is a Senior Consultant in the Cutaneous Allergy clinic. He has written over 200 academic papers. He has n interest in hair dye allergy and methodology of patch testing.