RT Journal Article SR Electronic T1 Bizarre parosteal osteochondromatous proliferation (Nora lesion): a report of 3 cases and a review of the literature JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 486 OP 489 VO 51 IS 6 A1 Gruber, Gerald A1 Giessauf, Christian A1 Leithner, Andreas A1 Zacherl, Max A1 Clar, Heimo A1 Bodo, Koppany A1 Windhager, Reinhard YR 2008 UL http://canjsurg.ca/content/51/6/486.abstract