Following are TV shows investigating Dr Robert Holcomb's original research while at Vanderbilt Medical University.

The videos below mention the name Magna Bloc which was used to describe the first quadrapolar magnets used for pain. The trade name Magna Bloc is no longer used, Q magnets are the next generation Quadrapolar magnet that are smaller, more powerful, with a steeper field gradient and greater therapeutic effect than the original Magna Bloc.

Good Medicine: Channel 9, Australia, 20th October 1999

Dateline: US, 10th May 1998

Healthcast, Channel 4 News. Nashville: 1998

This short video was produced by the Vanderbilt Medical University School Of Nursing: