TY  - RPRT
TI  - Self pay not equal to no pay.
AU  - K T Sivertson
AU  - D D Carey
PY  - 1986
DO  - 10.1016/s0196-0644(86)80053-1
UR  - https://pubmed.ncbi.nlm.nih.gov/3946871/
ID  - 3946871
ER  -