Campbell R E, Barone C A, Makris A N, Miller D A, Mohuchy T, Putnam S G, Schroeder K G, Standiford K N, Stewart D W
Department of Radiology, Pennsylvania Hospital, Philadelphia 19107-6188.
Radiographics. 1994 Jan;14(1):197-9. doi: 10.1148/radiographics.14.1.8128053.