Amorphous silicon, flat-panel, x-ray detector versus screen-film radiography: effect of dose reduction on the detectability of cortical bone defects and fractures. - Strotzer,M.; Gmeinwieser,J.; Spahn,M.; Völk,M.; Frund,R.; Seitz,J.; Spies,V.; Alexander,J.; Feuerbach,S. (Invest Radiol., 1998)