TY  - RPRT
TI  - Dealing with duffers.
AU  - L M Campbell
AU  - T S Murray
PY  - 1995
DO  - 10.1016/s0140-6736(95)91839-6
UR  - https://pubmed.ncbi.nlm.nih.gov/7475631/
ID  - 7475631
ER  -