@misc{indiciae4e756924eaeb,
  title = {Effectiveness of problems used in problem-based learning.},
  author = {D J Mpofu and M Das and J C Murdoch and J H Lanphear},
  year = {1997},
  doi = {10.1046/j.1365-2923.1997.00672.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9488852/},
  note = {Source identifier: 9488852}
}