TY  - RPRT
TI  - Comparative study of gingival retraction methods.
AU  - R Azzi
AU  - T F Tsao
AU  - F A Carranza
AU  - E B Kenney
PY  - 1983
DO  - 10.1016/0022-3913(83)90581-4
UR  - https://pubmed.ncbi.nlm.nih.gov/6355446/
ID  - 6355446
ER  -