TY  - RPRT
TI  - Branching cases in problem-based learning.
AU  - M M Ravitch
AU  - E A Brunner
PY  - 1996
DO  - 10.1097/00001888-199605000-00064
UR  - https://pubmed.ncbi.nlm.nih.gov/10676282/
ID  - 10676282
ER  -