TY  - RPRT
TI  - "What quality factor"?
AU  - H W Patterson
AU  - J T Routti
AU  - R H Thomas
PY  - 1971
DO  - 10.1097/00004032-197105000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/5560968/
ID  - 5560968
ER  -