1. Beattie CW, Hansen NW, Thomas PA (1985) Steroid receptors in human lung cancer. Cancer Res 45: 4206?4214
2. Beppler G, Jaques G, Neumann K, Aumüller G, Gropp C, Havemann K (1987) Establishment, growth properties, and morphological characteristics of permanent human small cell lung cancer cell lines. J Cancer Res Clin Oncol 13: 31?40
3. Berg J, Nilsson K, Ekman R, Giovanella B (1985) Establishment and characterization of cell lines from human small cell and large cell carcinomas of the lung. Acta Pathol Microbiol Immunol Scand Sect A 93: 133?147
4. Carney DN, Gazdar AF, Bepler G, Guccion JG, Marangos PJ, Moody TW, Zweig MH, Minna JD (1985) Establishment and identification of small cell lung cancer cell lines having classic and variant features. Cancer Res 45: 2913?2923
5. Gebert JF, Moghal N, Frangioni JV, Sugarbaker DJ, Neel BG (1991) High frequency of retinoic acid receptor ? abnormalities in human lung cancer. Oncogene 6: 1859?1868