Forschungsartikel
On-Line Solid-Phase Extraction Based on Poly (Nipaam-MAA-co-EDMA) Monolith Coupled with High-Performance Liquid Chromatography for Determination of Nitrendipine and Nisoldipine in Human Urine
Yanhui Duan, Haiyan Liu, Suying Sun, Yanzhao Gu, Jia Li and Gengliang Yang