Janssens R, Boeynaems JM, Godart M, Communi D (July 1997). „Cloning of a human heptahelical receptor closely related to the P2Y5 receptor”. Biochem. Biophys. Res. Commun.236 (1): 106–12. DOI:10.1006/bbrc.1997.6895. PMID9223435.
O'Dowd BF, Nguyen T, Jung BP, Marchese A, Cheng R, Heng HH, Kolakowski LF, Lynch KR, George SR (March 1997). „Cloning and chromosomal mapping of four putative novel human G-protein-coupled receptor genes”. Gene187 (1): 75–81. DOI:10.1016/S0378-1119(96)00722-6. PMID9073069.
Janssens R, Boeynaems JM, Godart M, Communi D (July 1997). „Cloning of a human heptahelical receptor closely related to the P2Y5 receptor”. Biochem. Biophys. Res. Commun.236 (1): 106–12. DOI:10.1006/bbrc.1997.6895. PMID9223435.
O'Dowd BF, Nguyen T, Jung BP, Marchese A, Cheng R, Heng HH, Kolakowski LF, Lynch KR, George SR (March 1997). „Cloning and chromosomal mapping of four putative novel human G-protein-coupled receptor genes”. Gene187 (1): 75–81. DOI:10.1016/S0378-1119(96)00722-6. PMID9073069.