Measurement of methotrexate in human cerebrospinal fluid using a chemiluminescence immunoassay intended for serum and plasma matrices.
Naoki YoshikawaAi YamadaTsubasa YokotaHiroshi MoritakeYasutoshi HirabaraRyuji IkedaPublished in: Journal of clinical laboratory analysis (2020)
The equation deduced in this study can be used to correct the concentration of MTX measured using the CLIA method.