“…The included studies proved that more than half of the tools (n = 17/33 tools used by n = 18/35 studies) could identify significant differences (i.e. discriminate) between medications (Aghssa et al, 2008(Aghssa et al, , 2012Bergh et al, 2012;Dickey et al, 2002Dickey et al, , 2003Gocial et al, 2000;Greco et al, 2005;Kang et al, 2011;Keye et al, 2005;Lavery et al, 2008;Lockwood et al, 2014;Ng et al, 2003Ng et al, , 2007Out et al, 1997;Pouly et al, 1996;Simunic et al, 2007;Tomic et al, 2011Tomic et al, , 2015. None of the tools assessed all seven medication characteristics, but only assessed one (n = 16/33 tools used by 16/35 references; Aghssa et al, 2008;Alviggi et al, 2007;Dickey et al, 2002;Dickey et al, 2003 Study Group, 2001;Germond et al, 2002;Gocial et al, 2000;Keye et al, 2005;Lan et al, 2008;Lavery et al, 2008;Lockwood et al, 2014;Nichols et al, 2001;Out et al, 1997;Tomic et al, 2011;Verhoeff et al, 1997), two (n = 10/33 tools used by n = 11/35 studies; Aghssa et al, 2012;Bergh et al, 2012;Greco et al, 2005;Hovatta et al, 2009;Kang et al, 2011;Kettel et al, 2004;…”