Novel PAX9 and COL1A2 Missense Mutations Causing Tooth Agenesis and OI/DGI without Skeletal Abnormalities Wang, Shih-Kai ; Chan, Hui-Chen ; Makovey, Igor ; Simmer, James P. ; Hu, Jan C. -C. Abstract Publication: PLoS ONE Pub Date: December 2012 DOI: 10.1371/journal.pone.0051533 Bibcode: 2012PLoSO...751533W