TY  - RPRT
TI  - Medical student concentration during lectures.
AU  - J Stuart
AU  - R J Rutherford
PY  - 1978
DO  - 10.1016/s0140-6736(78)92233-x
UR  - https://pubmed.ncbi.nlm.nih.gov/79879/
ID  - 79879
ER  -