Opioids II

F. Nyberg, H.L. Fields, E.L. Way, S.G. Cella, C. Castellano, A.B. Grossman, A.I. Faden, A. Hurle, A.R. Genazzani, O.F.X. Almeida, T.C. Kirkham, T.F. Burks, H.U. Bryant, D. Naber, C.P. France, J.L. McGaugh, P.L. Bailey, G. Winger, M.W. Adler, F. Petraglia, K. Schwarz-Stevens, F. Porreca, E.E. Müller, J.-S Han, M.J. Millan, S.J. Cooper, F.C. Tortella, S. Medbak, C. Stein, R. Schulz, J.H. Woods, E.B. Geller, V. Locatelli, G. Comitini, W. Kromer, A.J. Bertalmio, L. McLoughlin, J. Florez, A. Cowan, D.L. Kilpatrick, T.S. Shippenberg, J.W. Holaday, C.P. O'Brien, R.J. Bicknell, T.L. Yaksh, R. Przewlocki, I.B. Introini-Collison, K.M. Foley