Hongchun Liu & Jiazhen Tu. (2021). Reduction of extrinsic tooth stain by a toothpaste containing 10% high cleaning silica, 0.5% sodium phytate and 0.5% sodium pyrophosphate: An 8-week randomised clinical trial. BMC.
Chicago Style (17th ed.) CitationHongchun Liu and Jiazhen Tu. Reduction of Extrinsic Tooth Stain by a Toothpaste Containing 10% High Cleaning Silica, 0.5% Sodium Phytate and 0.5% Sodium Pyrophosphate: An 8-week Randomised Clinical Trial. BMC, 2021.
MLA (9th ed.) CitationHongchun Liu and Jiazhen Tu. Reduction of Extrinsic Tooth Stain by a Toothpaste Containing 10% High Cleaning Silica, 0.5% Sodium Phytate and 0.5% Sodium Pyrophosphate: An 8-week Randomised Clinical Trial. BMC, 2021.
Warning: These citations may not always be 100% accurate.