@misc{indiciaec1d29d7ef51c, title = {Pre-instrumental variables in coagulation testing.}, author = {J A Koepke and J L Rodgers and M J Ollivier}, year = {1975}, doi = {10.1093/ajcp/64.5.591}, url = {https://pubmed.ncbi.nlm.nih.gov/1190120/}, note = {Source identifier: 1190120} }