TY - RPRT TI - Negative pressure pinched sample injection for microchip-based electrophoresis. AU - Lei Zhang AU - Xuefeng Yin AU - Zhaolun Fang PY - 2006 DO - 10.1039/b511924c UR - https://pubmed.ncbi.nlm.nih.gov/16450036/ ID - 16450036 ER -