Agano T, Awazu K. Effect of amplifier gain on photoacoustic SNR (Signal to Noise Ratio) in an LED-based photoacoustic imaging system. Laser Ther [Internet]. 2020 Nov. 18 [cited 2026 Aug. 21];29(1):77-85. Available from: https://www.lasertherapyjournal.com/ltj/article/view/258