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(A-E) Representative Kaplan-Meier survival curves of N2, daf-2, daf-16, sod-3 and sod-5 nematodes after hydrogen treatment (>60 animals per group). (F): Spawning of N2 and sod-5 nematodes with or without hydrogen treatment. (G): N2 and sod-5 nematode head swing frequencies with or without hydrogen treatment. (F) and (G): Data are shown as the mean±SD of three independent experiments. *p<0.05; ** p<0.01.
