Development and validation of a liquid chromatography tandem mass spectrometry assay for the analysis of bedaquiline and M2 in breast milk by Buyisile Mkhize, Richard Court, Sandra Castel, Anton Joubert, Marthinus van der Merwe, Lubbe Wiesner

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Validation of a quantitative liquid chromatography tandem mass spectrometry assay for linezolid in cerebrospinal fluid and its application to patients with HIV-associated TB-mening... by Marian Mazanhanga, Anton Joubert, Sandra Castel, Marthinus Van de Merwe, Gary Maartens, Sean Wasserman, Lubbe Wiesner

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A validated liquid chromatography-tandem mass spectrometry assay for the analysis of isoniazid and its metabolite acetyl-isoniazid in urine by Sydwell Poulo Maputla, Willem Van Dalen, Anton Joubert, Jennifer Norman, Sandra Castel, Marthinus van der Merwe, Lubbe Wiesner

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Validation of a quantitative multiplex LC-MS/MS assay of carvedilol, enalaprilat, and perindoprilat in dried blood spots from heart failure patients and its cross validation with a... by Andre Joubert, Anton Joubert, Marthinus van der Merwe, Jennifer Norman, Sandra Castel, Paolo Denti, Karen Sliwa, Gary Maartens, Phumla Sinxadi, Lubbe Wiesner

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