TY  - RPRT
TI  - Self-study from web-based and printed guideline material.
AU  - R D Blank
PY  - 2001
DO  - 10.7326/0003-4819-134-6-200103200-00029
UR  - https://pubmed.ncbi.nlm.nih.gov/11255540/
ID  - 11255540
ER  -