PGI14 RESPONSIVENESS TO CHANGE AND CONSTRUCT VALIDITY OF THE WORK PRODUCTIVITY AND ACTIVITY IMPAIRMENT QUESTIONNAIRE FOR GASTROESOPHAGEAL REFLUX DISEASE (WPAI : GERD) IN SWEDISH PATIENTS

✍ Scribed by P Wahlqvist; J Medin; M Karlsson; MC Reilly

• Book ID: 118610959
• Publisher: John Wiley and Sons
• Year: 2009
• Tongue: English
• Weight: 88 KB
• Volume: 12
• Category: Article
• ISSN: 1098-3015
• DOI: 10.1016/s1098-3015(10)73361-1