GOGADA V PADMAKAR RAO (2025) “ADVANCED LIQUID CHROMATOGRAPHY TANDEM MASS SPECTROMETRY METHOD FOR SELECTIVE QUANTIFICATION OF NITROSAMINE IMPURITIES WITH PARTS PER BILLION LEVELS IN SACUBITRIL VALSARTAN TABLETS: ENHANCING DRUG SAFETY”, Asian Journal of Pharmaceutical and Clinical Research, 18(11), pp. 33–41. doi: 10.22159/ajpcr.2025v18i11.55806.