Lee DK, Nguyen T, Lynch KR, Cheng R, Vanti WB, Arkhitko O, Lewis T, Evans JF, George SR, O'Dowd BF (September 2001). „Discovery and mapping of ten novel G protein-coupled receptor genes”. Gene275 (1): 83–91. DOI:10.1016/S0378-1119(01)00651-5. PMID11574155.
Jiang Y, Luo L, Gustafson EL, Yadav D, Laverty M, Murgolo N, Vassileva G, Zeng M, Laz TM, Behan J, Qiu P, Wang L, Wang S, Bayne M, Greene J, Monsma F, Zhang FL (July 2003). „Identification and characterization of a novel RF-amide peptide ligand for orphan G-protein-coupled receptor SP9155”. J. Biol. Chem.278 (30): 27652–7. DOI:10.1074/jbc.M302945200. PMID12714592.
Fukusumi S, Yoshida H, Fujii R, Maruyama M, Komatsu H, Habata Y, Shintani Y, Hinuma S, Fujino M (November 2003). „A new peptidic ligand and its receptor regulating adrenal function in rats”. J. Biol. Chem.278 (47): 46387–95. DOI:10.1074/jbc.M305270200. PMID12960173.
Lee DK, Nguyen T, Lynch KR, Cheng R, Vanti WB, Arkhitko O, Lewis T, Evans JF, George SR, O'Dowd BF (September 2001). „Discovery and mapping of ten novel G protein-coupled receptor genes”. Gene275 (1): 83–91. DOI:10.1016/S0378-1119(01)00651-5. PMID11574155.
Jiang Y, Luo L, Gustafson EL, Yadav D, Laverty M, Murgolo N, Vassileva G, Zeng M, Laz TM, Behan J, Qiu P, Wang L, Wang S, Bayne M, Greene J, Monsma F, Zhang FL (July 2003). „Identification and characterization of a novel RF-amide peptide ligand for orphan G-protein-coupled receptor SP9155”. J. Biol. Chem.278 (30): 27652–7. DOI:10.1074/jbc.M302945200. PMID12714592.
Fukusumi S, Yoshida H, Fujii R, Maruyama M, Komatsu H, Habata Y, Shintani Y, Hinuma S, Fujino M (November 2003). „A new peptidic ligand and its receptor regulating adrenal function in rats”. J. Biol. Chem.278 (47): 46387–95. DOI:10.1074/jbc.M305270200. PMID12960173.