TY  - RPRT
TI  - Plasma heparin: a unique, practical, submicrogram-sensitive assay.
AU  - E T Yin
AU  - S Wessler
AU  - J V Butler
PY  - 1973
UR  - https://pubmed.ncbi.nlm.nih.gov/4683428/
ID  - 4683428
ER  -