She seeks the help of a pioneering neurosurgeon, who agrees to perform an experimental procedure, but faces condemnation from the medical establishment as well as resentment from her other son.

The patients who received the human embryonic stem cell transplants say their lives have been transformed by the experimental procedure.

Be neutrinos and thus makes an ideal check on the experimental procedure.

Often the experimental procedure calls for timing several cycles, e.g., five or ten, not just one.

He argues that a patients understanding of an experimental procedure will never approach that of his or her physician.