Chattopadhyay, Sourav Surface modification of cobalt oxide nanoparticles using phosphonomethyl iminodiacetic acid followed by folic acid: a biocompatible vehicle for targeted anticancer drug delivery. [electronic resource] - Cancer nanotechnology - 103-116 p. digital Publication Type: Journal Article ISSN: 1868-6958 Standard No.: 10.1007/s12645-013-0042-7 doi