Riddervold, Hans Olav Easily missed fractures and corner signs in radiology / by Hans Olav Riddervold ; with a contribution by Philip C. Stone - Mount Kisco, N.Y. : Futura Pub., 1991 - 400 p. : ill. ; 28 cm. ISBN: 0879935022 LCCN: 90-013831 Subjects--Topical Terms: Fractures--radiography