TY  - RPRT
TI  - Prothrombin time: one tube or two.
AU  - W E Carroll
AU  - R D Jackson
PY  - 1997
DO  - 10.1093/ajcp/107.1.133
UR  - https://pubmed.ncbi.nlm.nih.gov/8980381/
ID  - 8980381
ER  -