Covington DK, Briscoe CA, Brown AJ, Jayawickreme CK (2006). „The G-protein-coupled receptor 40 family (GPR40-GPR43) and its role in nutrient sensing”. Biochem. Soc. Trans.34 (Pt 5): 770–3. DOI:10.1042/BST0340770. PMID17052194.
Covington DK, Briscoe CA, Brown AJ, Jayawickreme CK (2006). „The G-protein-coupled receptor 40 family (GPR40-GPR43) and its role in nutrient sensing”. Biochem. Soc. Trans.34 (Pt 5): 770–3. DOI:10.1042/BST0340770. PMID17052194.