Improved high-performance liquid chromatographic assay for theophylline in plasma and saliva in the presence of caffeine and its metabolites and comparisons with three other assays.
作者信息
Muir K T, Kunitani M, Riegelman S
出版信息
J Chromatogr. 1982 Aug 13;231(1):73-82. doi: 10.1016/s0378-4347(00)80510-1.