Long-Duration Carbon Dioxide Anesthesia of Fish Using Ultra Fine (Nano-Scale) Bubbles Kugino, Kenji ; Tamaru, Shizuka ; Hisatomi, Yuko ; Sakaguchi, Tadashi Abstract Publication: PLoS ONE Pub Date: April 2016 DOI: 10.1371/journal.pone.0153542 Bibcode: 2016PLoSO..1153542K