Verweij, W M Interference of methotrexate with the determination of the protein content of cerebrospinal fluid. [electronic resource] - Annals of clinical biochemistry Sep 1986 - 612 p. digital Publication Type: Journal Article ISSN: 0004-5632 Standard No.: 10.1177/000456328602300522 doi Subjects--Topical Terms: Cerebrospinal Fluid Proteins--analysisHumansMethotrexate--cerebrospinal fluidSpectrophotometry, Ultraviolet