Stanford SKOLAR, M.D.: A Model for Learner-initiated, Learner-manipulated, In-context Continuing Medical Education. - Howard R. Strasberg; Thomas C. Rindfleisch; Kenneth Chen; Jeremy C. Durack; Helen Deng; Jie S. Yan; Daniel Greenwald; Kenneth L. Melmon (AMIA, 2001)

Haptic Detection of Artificial Tumors by Hand and with a Tool in a MIS Environment. - Daniel Greenwald; Caroline G. L. Cao; Emily W. Bushnell (IEEE Trans. Haptics, 2012)