Department: PDF OnlyServices and Teaching AidsThe Journal of Dermatologic Surgery and Oncology 3(1):p 131-132, January 1977. | DOI: 10.1111/j.1524-4725.1977.tb00256.x Buy Metrics Abstract This directory is a partial list of some of the services and teaching aids provided by our advertisers that are available to the practising physician and resident. © Lippincott-Raven Publishers.