Evan E. Bolton; Yanli Wang; Paul A. Thiessen; Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry. 4: 217—241. doi:10.1016/S1574-1400(08)00012-1.
Negishi, M.; Pedersen, L. G.; Petrotchenko, E.; et al. (2001). „Structure and function of sulfotransferases”. Arch. Biochem. Biophys. 390 (2): 149—57. PMID11396917. doi:10.1006/abbi.2001.2368.
Negishi, M.; Pedersen, L. G.; Petrotchenko, E.; et al. (2001). „Structure and function of sulfotransferases”. Arch. Biochem. Biophys. 390 (2): 149—57. PMID11396917. doi:10.1006/abbi.2001.2368.