Essand, M., Logdahl, P., Nilsson, S., Wartenberg, M., Acker, H., & Carlsson, J. (1996). Retention and processing of the monoclonal anti-prostate E4 antibody after binding to prostatic adenocarcinoma DU 145 cells. Cancer Immunology Immunotherapy, 43, 39-43. doi:10.1007/s002620050301.