1) Bensch, K. G., Corrin, B., Pariente, R., et al.: Oat-cell carcinoma of the lung, its origin and relationship to bronchial carcinoid. Cancer, 22: 1163-172, 1968.
2) Hattori, S., Matsuda, S., Tateishi, R., et al.: Oat-cell carcinoma of the lung, clinical and morphological. studies in relation to its histogenesis. Cancer, 30: 1014-1024, 1972.
3) Salyer, D. C., Salyer, W. R. and Eggleston, J.C.: Bronchial carcinoid tumors. Cancer, 36: 1522-1537, 1975.