Selective puncture to embolize the left-middle portal vein with the different concentration, dosage and the injection speed of NBCA.
穿刺左中支门静脉，以不同浓度、剂量和推注速度的NBCA栓塞该血管。
2
The methods are as follows: spectrophotometry, turbidimetry, atomic absorption spectrometry, polarography, conductance, ion selective electrode, ion chromatography, and flow injection analysis etc.