International Calibration Extract for HPLC Analysis of α- and β-acids in hops and hop products: Submitted on behalf of the EBC/ASBC Joint Hops Sub-Committee. BrSc [Internet]. 1998 Oct. 30 [cited 2026 May 30];51(9/10):165. Available from: https://brewingscience.de/index.php/brewingscience/article/view/703