Barker ML, Anastasia MK, Gerlach RW, Karpinia K, Magnusson I.  Clinical trial comparing initial and sustained tooth color using strips.  J Dent Res 2006;85.  Abstract 0893.
	Barker ML, Baker RA, Shahidi H, Sagel PA, Gerlach RW. 10% hydrogen peroxide whitening strips: evidence from 8 clinical trials. J Dent Res 2005;84. Abstract 1811.
	Barker ML, Gerlach RW. Subject–level meta-analysis of clinical effectiveness for direct-to-consumer vital bleaching products. J Dent Res 2004;83. Abstract 3210.
	Donly KJ, Jamison A, Gerlach RW. Clinical trial evaluating two peroxide whitening strips used by teenagers. J Dent Res 2005;84. Abstract 0288.
	Donly KJ, Kennedy P, Segura A, Gerlach RW. Effectiveness and safety of tooth bleaching in teenagers. Pediatr Dent. 2005 Jul-Aug;27(4):298-302.
	Donly KJ, Segura A, Zhou X, Gerlach RW. Effectiveness and Safety of Tooth Bleaching in Teenagers. J Dent Res 2004;83. Abstract 3205.
	García-Godoy F, Villalta P, Tucker HL, Barker ML, Gerlach RW.  Clinical trial comparing two direct-to-consumer tooth whitening systems. J Dent Res 2006:85.  Abstract 1374.
	Gerlach RW, Barker ML, Anastasia MK, Sagel PA, Shahidi H. Comparative clinical response of two peroxide tooth whitening strips. J Dent Res 2004;83. Abstract 3203.
	Gerlach RW, Barker ML, Anastasia MK, Bsoul S, Terezhalmy GT. Gingival recession and clinical response with extended whitening strip use. J Dent Res 2005;84. Abstract 2124.
	Gerlach RW, Barker ML, Bowman LA, Benz L, Karpinia K, Magnusson I. 12-month post-treatment safety and efficacy of 10% hydrogen peroxide strips. J Dent Res 2005;84. Abstract 1806.
	Gerlach RW, Sagel PA, Barker ML, Karpinia KA, Magnusson I. Placebo-controlled clinical trial evaluating a 10% hydrogen peroxide whitening strip. J Clin Dent 2004;15:118-122.
	Gerlach RW, Barker ML, He T, Segura A, Henson T, Donly KJ.  Clinical trial of direct-to-consumer and professional whitening strips.  J Dent Res 2006;85.  Abstract 0894.
	Gerlach RW, Tucker HL, Anastasia MK, Barker ML. Clinical trial comparing 2 hydrogen peroxide tooth whitening systems: strips vs pre-rinse.  Compend Contin Educ Dent   2005;26(12):874-8.
	Gerlach RW, Barker ML, Sagel PA, Maggio B, Gallagher A.  Clinical trial comparing whitening strips and an overnight paint-on gel.  Compend Contin Educ Dent 2005;26(12):874-8.
	Karpinia K, Benz L, Magnusson I, Barker ML, Gerlach RW. Placebo-controlled clinical trial evaluating 10% hydrogen peroxide whitening strip. J Dent Res 2004;83. Abstract 3206.
	Karpinia K, Magnusson I, Barker ML, Gerlach RW. Clinical trial comparing daytime and overnight tooth whitening systems. J Dent Res 2005;84. Abstract 1807.
	Karpinia K,  Magnusson I, McEdward D, Wong A, Barker ML, Gerlach RW. Clinical trial comparing hydrogen peroxide pre-rinse and whitening strips.  J Dent Res 2006;85. Abstract 1376.
	Magnusson I, Karpinia K, Benz L, Farrell S, Barker ML, Gerlach RW. Clinical trial comparing tab and strip tooth whitening systems.  J Dent Res 2006;85.  Abstract 1377.
	Magnusson I, Karpinia K, Harris P, Anastasia MK, Barker ML, Gerlach RW.  18-month post-treatment safety and efficacy of 10% hydrogen peroxide strips.  J Dent Res 2006;85.  Abstract 1371.
	Papas AS, Kugel G, Singh ML, Gerlach RW.  RCT evaluating safety and efficacy of whitening products in xerostomics.  J Dent Res 2006;85. Abstract 0185.
	Ritter AV, Heymann HO, Swift EJ, Wilder AD, Gerlach RW. Safety and efficacy of an experimental tooth whitening strip.  J Dent Res 2006;85. Abstract 0892.
	Shahidi H, Barker ML, Sagel PA, Gerlach RW. Randomized controlled trial of 10% hydrogen peroxide whitening strips. J Clin Dent. 2005;16(3):91-5.
	Walden GL, McMillan DA, Sagel PA, Barker ML, Gerlach RW. In-use kinetics of 10% hydrogen peroxide whitening strip: peroxide degradation on strips, teeth, gingiva and saliva. J Dent Res 2004;83. Abstract 3812.
	Wang X. Long-term evaluation of efficacy of a hydrogen peroxide whitening strip. J Dent Res 2006; 85 (Spec Iss B). Abstract 2261.