TY  - RPRT
TI  - Measuring partial thromboplastin-time. An international collaborative study.
AU  - L Poller
AU  - J M Thomson
PY  - 1976
DO  - 10.1016/s0140-6736(76)91224-1
UR  - https://pubmed.ncbi.nlm.nih.gov/61512/
ID  - 61512
ER  -