1. Effect of r-epinephrine-impregnated retraction cord on the cardiovascular system;Houston;J Prosthet Dent,1970
2. An evaluation of the drugs used for gingival retraction;Woycheshin;J Prosthet Dent,1964
3. Conservative management of the gingival tissue for crowns;Fisher;Dent Clin North Am,1976
4. Exposing the cavity margin for hydrocolloid impressions;Thompson;J South Calif Dent Assoc,1951
5. Retraction of the gingiva to the application of threads in the gingival pockets for taking impressions with elastic material;Anneroth;Odont Revy,1969