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Retricted access

Research article

First published 2013-11

Correlation of AO and Lauge-Hansen Classification Systems for Ankle Fractures to the Mechanism of Injury

Edward K. Rodriguez, John Y. Kwon, Lindsay M. Herder [...]

Foot & Ankle International

Retricted access

Research article

First published 2010-6

Reliability of a Classification of Fractures of the Hand Based On the AO Comprehensive Classification System

J.-D. Szwebel, V. Ehlinger, V. Pinsolle [...]

Journal of Hand Surgery (European Volume)

Open access

Review article

First published 2026-1

Thoracolumbar Fractures: Historical Systems and Advancements With the AO Spine Classification

Barry Ting Sheen Kweh, Alexander R. Vaccaro, Gregory Schroeder [...]

Global Spine Journal

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Research article

First published 2019-12

The Comprehensive AO CMF Classification System for Mandibular Fractures: A Multicenter Validation Study

Paul A. Mittermiller, Serena S. Bidwell, Florian M. Thieringer [...]

Craniomaxillofacial Trauma & Reconstruction

Open access

Review article

First published 2026-3

Sacral and Pelvic Fractures: Historical Systems and Advancements with the AO Spine Classification

Barry Ting Sheen Kweh, Alexander R. Vaccaro, Gregory Schroeder [...]

Global Spine Journal

Open access

Research article

First published 2023-9

The Influence of Regional Differences on the Reliability of the AO Spine Sacral Injury Classification System

Brian A. Karamian, Gregory D. Schroeder, Mark J. Lambrechts [...]

Global Spine Journal

Open access

Research article

First published 2025-5

AO Spine-DGOU Osteoporotic Fracture Classification System: Internal Validation by the AO Spine Knowledge Forum Trauma

Julian Scherer, Andrei Joaquim, Alex Vaccaro [...]

Global Spine Journal

Open access

Research article

First published 2024-1

Development of Online Technique for International Validation of the AO Spine Subaxial Injury Classification System

Mark J. Lambrechts, Gregory D. Schroeder, Brian A. Karamian [...]

Global Spine Journal

Open access

Review article

First published 2026-1

Craniocervical Junction and Upper Cervical Spine Fractures: Historical Systems and Advancements with the AO Spine Classification

Barry Ting Sheen Kweh, Alexander R. Vaccaro, Gregory Schroeder [...]

Global Spine Journal

Retricted access

Introduction

First published 2014-12

The First AO Classification System for Fractures of the Craniomaxillofacial Skeleton: Rationale,Methodological Background,Developmental Process,and Objectives

CMF Classification Group

Craniomaxillofacial Trauma & Reconstruction

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