1. Accurate rubber-base impressions;Going;J Prosthet Dent,1968
2. Forced air impression technique;Harrop;J Can Dent Assoc,1967
3. A comparison of six impression syringes;Kishimoto;J Prosthet Dent,1980
4. Relationship of syringe-tip diameter to voids in elastomer impressions;Stackhouse;J Dent Res,1982