TY  - RPRT
TI  - THE "MULTIPLE CHOICE" OR OBJECTIVE EXAMINATION: A CONTROLLED TRIAL.
AU  - C ILLINGWORTH
PY  - 1963
DO  - 10.1016/s0140-6736(63)90912-7
UR  - https://pubmed.ncbi.nlm.nih.gov/14066857/
ID  - 14066857
ER  -