A Very Muscular Baby Offers Hope Against Diseases (2004, Jun 24) New York Times by Gina Kolata [link]
This article relates to Markus Schuelke's research published in the New England Journal of Medicine. It details a study of a young boy who had extraordinarly large muscles, due to a myostatin abnormality. It demonstrates that myostatin functions similar to how it works in animals. The 'mighty mice' of other studies look to be replicated here in humans.