Lee, Sangwan Synthesis and Biological Analysis of Thiotetra(ethylene glycol) monomethyl Ether-Functionalized Porphyrazines: Cellular Uptake and Toxicity Studies. [electronic resource] - Metal-based drugs 2008 - 391418 p. digital Publication Type: Journal Article ISSN: 0793-0291 Standard No.: 10.1155/2008/391418 doi