TY - RPRT TI - LC/MS applications in drug development. AU - M S Lee AU - E H Kerns DO - 10.1002/(sici)1098-2787(1999)18:3/4<187::aid-mas2>3.0.co;2-k UR - https://pubmed.ncbi.nlm.nih.gov/10568041/ ID - 10568041 ER -