1. Introducing dental students to evidence-based decisions in dental care;Azarpazhooh;J Dent Edu,2008
2. Canadian task force methodology, levels of evidence-research design rating,1997
3. Effect of prior toothcleaning on bi-annual professional acidulated phosphate fluoride topical fluoride gel-tray treatments. Results after three years;Ripa;Caries Res,1984
4. The effect of prior toothcleaning on the efficacy of topical fluoride treatment. Two-year results;Houpt;Clin Prev Dent,1983
5. Comparison of dental prophylaxis and toothbrushing before topical APF applications;Bijella;Community Dent Oral Epidemiol,1985