Validation of a symptom diary for patients with gastro-oesophageal reflux disease.
Puhan MA, Guyatt GH, Armstrong D, Wiklund I, Fallone CA, Heels-Ansdell D, Degl'Innocenti A, Veldhuyzen van Zanten SJ, Tanser L, Barkun AN, Chiba N, Austin P, El-Dika S, Schünemann HJ.
Aliment Pharmacol Ther. 2006 Feb 15;23(4):531-41.PMID: 16441474 [PubMed - indexed for MEDLINE]Related articlesFree article