Penn Today
Frozen testicular tissue still viable after 20 years (link is external)
A new study in rats has shown that male testis tissue that is cryopreserved can be reimplanted after more than 20 years and will go on to make viable sperm.
A new study in rats has shown that male testis tissue that is cryopreserved can be reimplanted after more than 20 years and will go on to make viable sperm.