Patch Testing and Prick Testing A Practical Guide Official Publication of the ICDRG

Jean-Marie Lachapelle 
is Professor Emeritus in the Department of Dermatology at Université Catholique de Louvain in Belgium. He is one of the foremost experts in patch testing and contact dermatitis.











Howard Maibach, MD

is an expert in contact and occupational dermatitis and sees patient at the Environmental Dermatosis Clinic, which is part of the Dermatology Clinic. His specialty is dermatotoxicology, or skin exposure toxicity; allergies and skin disorders; and dermatopharmacology or the study of medications for skin disorders. Dr. Maibach has been on the editorial board of more than 30 scientific journals and is a member of 19 professional societies, including the American Academy of Dermatology, San Francisco Dermatological Society and the Internal Commission on Occupation Health. He is a professor in the Department of Dermatology at UCSF.