TY  - RPRT
TI  - Learner and item sampling as a way to evaluate continuing education.
AU  - C A Pfeiffer
AU  - T J Sheehan
PY  - 1983
DO  - 10.1097/00001888-198311000-00012
UR  - https://pubmed.ncbi.nlm.nih.gov/6631932/
ID  - 6631932
ER  -