宫内节育器中剩余左炔诺孕酮的高效液相色谱法测定
Determination of Levonorgestrel Remained in Levonorgestrel Intrauterine Device By High Performance Liquid Chromatography
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Abstract: A rapid and simple method for determinating levonorgestrel (LNG) remained in levonor-gestrel intrauterine device (LNG-IUD) by HPLC was reported. A YWG-C18 column, binarymobile phase (CH3OH-H2O), and UV 254nm detecter were used. LNG in the IUD was extra-ct