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Post-thaw motility (a) and adjusted motility index (AMI) (b) of rhesus monkey ejaculated sperm samples after incubation at room temperature for 0, 1, and 4 h. Samples were used for freezing trials without wash (closed circles) or washed twice with TL-BSA (open circles). Values presented were means ± SD of eight males. Asterisks indicate significant difference between treatments.
