TY  - RPRT
TI  - Tooth roughness after subgingival root planing.
AU  - E Green
AU  - S P Ramfjord
DO  - 10.1902/jop.1966.37.5.396
UR  - https://pubmed.ncbi.nlm.nih.gov/5222800/
ID  - 5222800
ER  -