Estimation of Chronological Age According to Risser's Sign authors: Shirin Birang 1 , * 1 Department of Radiology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran Iranian Journal of Radiology: Vol.5, issue 3; e79075 published online: September 30, 2008 article type: Research Article received: March 10, 2008 accepted: August 06, 2008 how to cite: Birang S . Estimation of Chronological Age According to Risser's Sign . I J Radiol. 2008;5(3):e79075. Abstract Keywords Radiography Bone Development Skeletal Maturation Risser Sign Fulltext Abstract and full text are available in PDF. Copyright © 2008, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited. comments Leave a comment here: