1. Borek, C. andGenoglio, C.M.: Scanning electron microscopy of surface features of hamster embryo cells transformedin vitro by X-irradiation.Cancer Res. 36, 1325–1334 (1976).
2. Porter, K.R., Todaro, G.J. andFonte V.: A seanning electron microscope study of surface features of viral and spontaneous transformants of mouse BALB/3T3 cells.J. Cell Biol. 59, 633–642 (1973).
3. Ren, J., Hamada, J., Takeichi, N., Morikawa, K., Hosokawa, M. andKobayashi, H.: Correlation between the presence of microvilli and the growth or metastatic potential of tumor cells.Jpn. J. Cancer Res. 81, 920–926 (1990).
4. Tanaka, N., Hsieh, K.J., Nakano, K., Yamada, T., Amagasa, T., Shioda, S. andMiyamoto, H.: Electron microscopic study of human tongue squamous cell carcinoma-especially cell junctional complexes (in Japanese).J. Clin. Electron Microsc. 23, 321–331 (1990).
5. Tanaka, N., Miyamoto, T., Saito, M., Amagasa, T., Shioda, S., Eishi, Y. andHsieh, K.: Transferrin receptor expression in oral tumors.Bull. Tokyo Med. Dent. Univ. 38, 19–26 (1991).