We can't do anything; officially that skin sample no longer exists and never did.

A skin sample may be taken from the infected area and examined under the microscope (biopsy).

A small skin sample (biopsy) may help confirm the diagnosis.

I found some black carbon particles embedded in the skin samples.

The diagnosis can also be reliably made from skin samples taken before death.

He does agree to allow the professor one hour to run tests on skin samples taken from the dead man.

Additional skin samples were taken to attempt to determine the cause of the hair loss.

Somehow, they had gotten her down long enough to get dermal skin samples.

Obviously Nate thought that because of their taking the skin sample the whale might start traveling.

They could grow anything, of course, if they had a skin sample and your genetic code, but he put that from his mind completely.