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LD contents in plateau pika tissues at different altitudes. For LD contents of 3900 m, 3200 m, 2200 m group pikas, they were 0.81 ± 0.07, 0.52 ± 0.13 and 0.48 ± 0.04 in heart; 0.81 ± 0.04, 0.62 ± 0.10 and 0.48 ± 0.07 in liver; 0.67 ± 0.11, 0.52 ± 0.09 and 0.46 ± 0.07 in brain; 1.23 ± 0.09, 0.60 ± 0.07 and 0.50 ± 0.07 in skeletal muscle. * p < 0.05, ** p < 0.01. The sample size is eight for each group.
