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spur pelvis urethra sign Articular surfaces burgess jeffrey timothy Trauma orthopedics Knight
04-21
![Spur signs, seagull signs, crescent moons, flip books, have you ever seen these special fracture signs?[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)