1. Freeman AE, Hoffman RA (1986) In vivo-like growth of human tumors in vitro. Proc Natl Acad Sci U S A 83:2694–2698
2. Vescio RA, Redfern CA, Nelson TJ, Ugoretz S, Stern PH, Hoffman RM (1987) In vivo-like drug responses of human tumors growing in three-dimensional gel-supported primary culture. Proc Natl Acad Sci U S A 84:5029–5033
3. Minna JD, Higgins GA, Glatstein EJ (1981) Cancer of the lung. In: DeVita VT, Hellman S, Rosenberg SA (eds) Principles and Practice of Oncology. J. B. Lippincott Co., Philadelphia, pp 396–474
4. Baylin SB, Weisburger WR, Eggleston JC, Mendelsohn G, Beaven M, Abeloff M, Ettinger D (1978) Variable content of histaminase. i.-dopa decarboxylase and calcitonin in small cell carcinoma of the lung. N Engl J Med 299:105–110
5. Feinstem AR, Gelfman NA, Yesner R, Auerbach O, Hackel DB, Pratt PC (1970) Observer variability in the histopathologic diagnosis of lung cancer. Am Rev Respir Dis 101:671–684