1. Pattillo, R. A., and G. O. Gey. 1968. The establishment of a cell line of human hormone-synthesizing trophoblastic cellsin vitro. Cancer Res. 28: 1231–1236.
2. Pattillo, R. A., G. O. Gey, E. Delfs, and R. F. Mattingly. 1968. Human hormone productionin vitro. Science 159: 1467–1469.
3. Pattillo, R. A., G. O. Gey, R. F. Mattingly, and J. D. Woodruff. 1969. Carbohydrate metabolism of choriocarcinoma in continuous tissue culture. Obstet. Gynec. 33: 153–159.
4. Knoth, M., R. A. Pattillo, J. C. Garancis, G. O. Gey, A. C. F. Ruckert, and R. F. Mattingly. 1969. Ultrastructure and hormone synthesis of choriocarcinoma in vitro. Amer. J. Path. 54: 479–488.
5. Garancis, J. C., R. A. Pattillo, R. O. Hussa, J. Schultz, and R. F. Mattingly. 1970. Electron microscopic and biochemical patterns of the normal and malignant trophoblast. Amer. J. Obstet. Gynec., 108: 1257–1268.