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., A. Ruckert, R. Hussa, R. Bernstein, and E. Delfs. 1971. The Jar cell line—continuous human multihormone production and controls. In Vitro 6:398 (Abst. No. 101).
3. Kohler, P. O., and W. E. Bridson. 1971. Isolation of hormone-producing lines of human choriocarcinoma. J. Clin. Endocrinol. Metab. 32:683–687.
4. Kohler, P. O., W. E. Bridson, J. M. Hammond, B. D. Weintraub, M. A. Kirschner, and D. H. Van Thiel. 1971. Clonal lines of human choriocarcinoma cells in culture.Karolinska Symposia on Research Methods in Reproductive Endocrinology. Transactions of the Third Symposium, In Vitro Methods in Reproductive Cell Biology, Copenhagen, pp. 137–153.
5. Rosen, S. W., B. D. Weintraub, J. L. Vaitukaitis, H. H. Sussman, J. M. Hershman, and F. M. Muggia. 1975. Placental proteins and their subunits as tumor markers. Ann. Intern. Med. 82:71–83.