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- [23] Efficacy and safety assessment of a new liquid tooth whitening gel containing 5.9% hydrogen peroxide AMERICAN JOURNAL OF DENTISTRY, 2004, 17 (02): : 75 - 79
- [24] Tooth whitening effects of an experimental power whitening toothbrush relative to an 8.7% hydrogen peroxide paint-on gel control AMERICAN JOURNAL OF DENTISTRY, 2004, 17 : 25A - 30A