Fredriksson R, Gloriam DE, Hoglund PJ, Lagerstrom MC, Schioth HB (Feb 2003). "There exist at least 30 human G-protein-coupled receptors with long Ser/Thr-rich N-termini". Biochem Biophys Res Commun. 301 (3): 725–34. doi:10.1016/S0006-291X(03)00026-3. PMID12565841.
Fredriksson R, Gloriam DE, Hoglund PJ, Lagerstrom MC, Schioth HB (Feb 2003). "There exist at least 30 human G-protein-coupled receptors with long Ser/Thr-rich N-termini". Biochem Biophys Res Commun. 301 (3): 725–34. doi:10.1016/S0006-291X(03)00026-3. PMID12565841.