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Mitrayana, Muyasaroh N, Wasono MAJ, Ikhsan MR. Characterization of CO2 Laser Photoacoustic Spectrometer Intracavity Configuration and Its Application in Measuring Acetone Gas in Human Breath: CO2 Laser Photoacoustic Spectrometer Intracavity Configuration and Acetone Gas Concentration. PPASA [Internet]. 2021 Apr. 22 [cited 2024 Dec. 23];54(3):319–327. Available from: http://ppaspk.org/index.php/PPAS-A/article/view/229