Management of acute pain in the postoperative setting: the importance of quality indicators

Winfried Meissner, Frank Huygen, Edmund A M Neugebauer, Jürgen Osterbrink, Dan Benhamou, Neil Betteridge, Flaminia Coluzzi, José De Andres, William Fawcett, Dominique Fletcher, Eija Kalso, Henrik Kehlet, Bart Morlion, Antonio Montes Pérez, Joseph Pergolizzi, Michael Schäfer