Injecting iron supplement lets Stanford scientists track transplanted stem cells

A new, noninvasive technique for tracking stem cells after transplantation - developed by a cross-disciplinary team of radiologists, chemists, statisticians and materials scientists at the Stanford University School of Medicine - could help surgeons determine whether a procedure to repair injured or worn-out knees is successful.

http://www.eurekalert.org/pub_releases/2013-07/sumc-iis070813.php