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The third author's name was spelled incorrectly. The correct name is Frederic Schoenstein. The correct citation is Marie H, Barrere A, Schoenstein F, Chavanne M-H, Grosgogeat B, et al. (2012) PEM Anchorage on Titanium Using Catechol Grafting. PLoS ONE 7(11): e50326. doi:10.1371/journal.pone.0050326
Competing Interests: No competing interests declared.
