TY  - RPRT
TI  - Catch patients doing something right!
AU  - J P Lemkau
AU  - C G Olsen
PY  - 1990
DO  - 10.1080/00325481.1990.11704636
UR  - https://pubmed.ncbi.nlm.nih.gov/2320511/
ID  - 2320511
ER  -