Figure C - A transparent grid superimposed on the Figure 1d of the original article
From the following article
E. I. Levin
BDJ 204, 419 - 420 (2008) Published online: 26 April 2008
doi:10.1038/sj.bdj.2008.304

E. I. Levin
BDJ 204, 419 - 420 (2008) Published online: 26 April 2008
doi:10.1038/sj.bdj.2008.304
