General Discussion. Collagen type VI-related disorders encompass two genetic muscle disorders formerly thought to be separate entities: Bethlem myopathy and Ullrich congenital muscular dystrophy.
Sponsored Topics. Marblehead is a town in Essex County, Massachusetts, United States. The population was 19,808 at the 2010 census. It is home to the Marblehead Neck Wildlife Sanctuary and Devereux Beach.
The main part of the 4,558-acre (1,845 ha) park, including the marble cave and a visitor center, is located 20 miles (32 km) east of Cave Junction, on Oregon Route 46. A separate visitor center in Cave Junction occupies 4 acres (1.6 ha) of the total.