Simultaneous determination of bromvalerylurea and allylisopropylacetylurea in human blood and urine by gas chromatography-mass spectrometry.
Kudo K, Kiyoshima A, Ohtsuka Y, Ikeda N. Simultaneous determination of bromvalerylurea and allylisopropylacetylurea in human blood and urine by gas chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jul 05; 791(1-2):171-7.