TY  - RPRT
TI  - Activated partial thromboplastin time vs heparin concentration.
AU  - D Mungall
PY  - 1998
DO  - 10.1001/archinte.158.11.1273
UR  - https://pubmed.ncbi.nlm.nih.gov/9625410/
ID  - 9625410
ER  -