TY  - RPRT
TI  - Board certification: past, present, and future.
AU  - W J Dignam
PY  - 1983
DO  - 10.1016/0002-9378(83)90745-7
UR  - https://pubmed.ncbi.nlm.nih.gov/6859133/
ID  - 6859133
ER  -