TY  - RPRT
TI  - Letter: Lessons relearned.
AU  - R P Dobbie
AU  - O D Butterick
AU  - J A Hoffmeister
PY  - 1976
DO  - 10.1001/jama.236.13.1453c
UR  - https://pubmed.ncbi.nlm.nih.gov/822178/
ID  - 822178
ER  -