Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài : Retraction: Psychometric characteristics of the ankylosing spondylitis quality of life questionnaire, short form 36 health survey, and functional assessment of chronic illness therapy-fatigue subscale | Health and Quality of Life Outcomes BioMed Central Retraction Retraction Psychometric characteristics of the ankylosing spondylitis quality of life questionnaire short form 36 health survey and functional assessment of chronic illness therapy-fatigue subscale Dennis A Revicki 1 Anne M Rentz1 Michelle P Luo2 Robert L Wong3 Lynda C Doward4 and Stephen P McKenna4 Address 1Center for Health Outcomes Research United Biosource Corporation Bethesda MD USA 2Formerly Abbott Laboratories Global Health Economics Outcomes Research Abbott Park IL USA 3Abbott Laboratories Abbott Immunology Parsippany NJ USA and 4Galen Research Manchester Lancashire England UK Email Dennis A Revicki - Anne M Rentz - Michelle P Luo - mluo@ Robert L Wong - Lynda C Doward - ldoward@ Stephen P McKenna - smckenna@ Corresponding author Open Access Published 17 April 2009 Received 6 April 2009 Health and Quality of Life Outcomes 2009 7 34 doi 1477-7525-7-34 Accepted 17 April 2009 This article is available from http content 7 1 34 2009 Revicki et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Retraction of Revicki DA Rentz AM Luo MP Wong RL Doward LC McKenna SP Psychometric characteristics of the ankylosing spondylitis quality of life questionnaire short form 36 health survey and functional assessment of chronic illness therapy-fatigue subscale. Health and Quality of Life Outcomes 2009 7 6. Retraction Not all authors approved of the final content or publication of this article 1 . Subsequently all authors have agreed that the .