TY  - RPRT
TI  - Technical factors affecting the prothrombin time determination.
AU  - H B Hill
AU  - E M Low
AU  - I Schoen
PY  - 1970
DO  - 10.1093/ajcp/54.3.348
UR  - https://pubmed.ncbi.nlm.nih.gov/5507282/
ID  - 5507282
ER  -