TY - RPRT TI - Changing reversed-phase high performance liquid chromatography selectivity. Which variables should be tried first? AU - L R Snyder PY - 1997 DO - 10.1016/s0378-4347(96)00351-9 UR - https://pubmed.ncbi.nlm.nih.gov/9061486/ ID - 9061486 ER -