Nicola Lopomo Simone Bignozzi Sandra Martelli Stefano Zaffagnini Francesco Iacono Andrea Visani Maurilio Marcacci Reliability of a navigation system for intra-operative evaluation of antero-posterior knee joint laxity. 280-285 2009 39 Comp. in Bio. and Med. 3 http://dx.doi.org/10.1016/j.compbiomed.2009.01.001 db/journals/cbm/cbm39.html#LopomoBMZIVM09