TY  - RPRT
TI  - Roentgenographic periodontal indicator paste.
AU  - J F KRATOCHVIL
AU  - R W LONGTON
PY  - 1961
DO  - 10.14219/jada.archive.1961.0139
UR  - https://pubmed.ncbi.nlm.nih.gov/13754035/
ID  - 13754035
ER  -