TI - A history of dermatology in philadelphia, including a biography of louis a. duhring, m.d., father of dermatology in philadelphia PT - JOUR DP - 1955 TA - A.M.A. Archives of Dermatology pages = {208}, VI - 72 IP - 2 AID - 10.1001/archderm.1955.03730320110016 [doi] 4100 - http://dx.doi.org/10.1001/archderm.1955.03730320110016 SO - A.M.A. Archives of Dermatology August 1, 1955 72(2):208