1. Weinberg RA (2007) Moving out: invasion and metastasis. In: The biology of cancer. Garland Science, Inc., New York, p 587
2. Witte MH, Witte CL (1999) What we don’t know about cancer. Epilogue. In: DenOtter W, Root-Bernstein R, Koten J-W (eds) What is cancer? Theories on carcinogenesis. Anticancer Res 19:4919–4934
3. Witte M, Crown P, Bernas M, Garcia F (2008) “Ignoramics” in medical and pre-medical education. J Inv Med 56:897–901
4. Witte MH, Crown P, Bernas M, Witte CL (2008) Lessons learned from ignorance: the curriculum on medical (and other) ignorance. In: Vitek W, Jackson W (eds) The virtues of ignorance: complexity, sustainability, and the limits of knowledge. The University Press of Kentucky, Lexington, pp 251–272
5. McCormack FX, Inoue Y, Moss J, Singer LG, Strange C, Nakata K, Barker AF, Chapman JT, Brantly ML, Stocks JM, Brown KK, Lynch JP III, Goldberg HJ, Young LR, Kinder BW, Downey GP, Sullivan EJ, Colby TV, McKay RT, Cohen MM, Korbee L, Taveira-DaSilva AM, Lee H-S, Krischer JP, Trapnell BC (2011) Efficacy and safety of sirolimus in lymphangioleiomyomatosis. N Engl J Med 364:1595–1606