TY  - RPRT
TI  - Teaching clinical judgment in periodontics.
AU  - R S Mackenzie
AU  - P J Heins
AU  - R B Chaffee
AU  - S B Low
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/267635/
ID  - 267635
ER  -