Department: PDF OnlyServices and Teaching Aids This directory is a partial list of some of the services and teaching aids provided by our advertisers that are available to the practicing physician and resident.The Journal of Dermatologic Surgery and Oncology 9(10):p 840-841, October 1983. | DOI: 10.1111/j.1524-4725.1983.tb00742.x Buy Metrics © Lippincott-Raven Publishers.