Psychometric Assessment of the Rat Grimace Scale and Development of an Analgesic Intervention Score Oliver, Vanessa ; De Rantere, Debbie ; Ritchie, Rheanne ; Chisholm, Jessica ; Hecker, Kent G. ; Pang, Daniel S. J. Abstract Publication: PLoS ONE Pub Date: May 2014 DOI: 10.1371/journal.pone.0097882 Bibcode: 2014PLoSO...997882O