TY  - RPRT
TI  - Notes in continuing education. Bread and butter courses.
AU  - S G Crandall
AU  - C M Boyer
DO  - 10.3928/0022-0124-19870901-11
UR  - https://pubmed.ncbi.nlm.nih.gov/3116057/
ID  - 3116057
ER  -