TY - RPRT TI - Effective one/two step purification of various materials by solid-phase extraction. AU - L Soltés AU - B Sébille DO - 10.1002/(sici)1099-0801(199711)11:6<348::aid-bmc689>3.3.co;2-w UR - https://pubmed.ncbi.nlm.nih.gov/9413613/ ID - 9413613 ER -