Pre-clinical studies of EC2629, a highly potent folate- receptor-targeted DNA crosslinking agent oleh Joseph A. Reddy, Melissa Nelson, Christina Dircksen, Marilynn Vetzel, Theresa Johnson, Vicky Cross, Elaine Westrick, LongWu Qi, Spencer Hahn, Hari Krishna Santhapuram, Garth Parham, Kevin Wang, Jeremy F. Vaughn, Albert Felten, Michael Pugh, June Lu, Patrick Klein, Iontcho R. Vlahov, Christopher P. Leamon