TY  - RPRT
TI  - Focus on intrabony defects--conservative therapy.
AU  - N P Lang
PY  - 2000
DO  - 10.1034/j.1600-0757.2000.2220105.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11276516/
ID  - 11276516
ER  -