- Phase I/II study of the anti-oestrogen zindoxifene (D16726) in the treatment of advanced breast cancer. A Cancer Research Campaign Phase I/II Clinical Trials Committee study. Stein, R.C., Dowsett, M., Cunningham, D.C., Davenport, J., Ford, H.T., Gazet, J.C., von Angerer, E., Coombes, R.C. Br. J. Cancer (1990)