TY - BOOK AU - Balaji R AU - Babu.B TI - An Stability Indicating Assay Method For Valsartan (Api) Isolation And Identification Of Nitrosamine Impurity By Rp-Hplc, Lc-Ms/Ms U1 - 615.5 BAL PY - 2023/// CY - Ooty PB - JSSCPO ER -