Comparison of recombinant human PTH(1 - 34) (LY333334) with a C-terminally substituted analog of human PTH-related protein(1 - 34) (RS-66 271): In vitro activity and in vivo pharmacological effects in rats. - Frolik,C.A.; Cain,R.L.; Sato,M.; Harvey,A.K.; Chandrasekhar,S.; Black,E.C.; Tashjian,A.H.; Hock,J.M. (J Bone Miner Res, 1999)