1. Lipson, R., E. Baldes and A. Olsen (1961) The use of a derivative of hematoporphyrin in tumor detection. J. Natl. Cancer Inst. 26, 1–8.
2. Gomer, C.J. and T.J. Dougherty (1979) Determination of [3H]-and [14C]hematoporphyrin derivative distribution in malignant and normal tissue. Cancer Res. 39, 146–151.
3. Kessel, D. and M-L Cheng. (1985) Biologic and biophysical properties of the tumor-localizing component of ‘hematoporphyrin derivative’. Cancer Res, in Press.
4. Kessel, D. and T.C. Chou (1983) Tumor-localizing components of the porphyrin preparation hematoporphyrin derivative. Cancer Res. 43, 1994–1999.
5. Kessel D., and M-L. Cheng (1985) On the preparation and properties of the tumor-localizing component of HPD. Photochem. Photobiol. 41, 277–282.