(A) Experimental protocol in vitro. Effect of (B) bilberry extract on tunicamycin-induced death of 661W cells. The number of cells exhibiting PI fluorescence was counted and expressed as a percentage of Hoechst 33,342-positive cells. Data are the means ± SEMs (n=6). ^##p<0.01 versus control (Student t test). To access the data, click or select the words “Appendix 3.”