@misc{indiciaebde1ba868e3e, title = {Initial test cutoff selection based on regression analysis of initial test apparent analyte result vs GC/MS test analyte result--evaluation of two radioimmunoassay kits' test data.}, author = {J Brendler and R H Liu}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9105276/}, note = {Source identifier: 9105276} }