Bjoerklund, Catarina; Oscarson, Stefan; Benkestock, Kurt; Borkakoti, Neera; Jansson, Katarina; Lindberg, Jimmy; Vrang, Lotta; Hallberg, Anders; Rosenquist, Asa; Samuelsson, Bertil Journal of Medicinal Chemistry, 2010 , vol. 53, # 4 p. 1458 - 1464