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WADA-level testing is purpose-built to find these specific compounds through a completely different technological approach

Peptide Hormones in Medicine: A 100-Year History This review in Biochemistry (Moscow) explores peptide-based drug development and the history of peptide hormone research

doi: 10.1007/s10143-023-02033-0 239 Zamanipoor NajafabadiAHZandbergenIMDe VriesFBroersenLHAVan Den Akker-van MarleMEPereiraAMet al

The measurement of intestinal DAO activity by a colon biopsy during endoscopic procedures has been studied as a possible diagnostic marker