TY  - RPRT
TI  - The portable patient problem pack: a problem-based learning unit.
AU  - H S Barrows
AU  - R M Tamblyn
PY  - 1977
DO  - 10.1097/00001888-197712000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/926146/
ID  - 926146
ER  -