«Prevalence of linked angina and gastroesophageal reflux disease in general practice».World J. Gastroenterol.,15,14,4-2009,p.1764–8. DOI: 10.3748/wjg.15.1764. PMC: 2668783. PMID: 19360921.
«Heartburn».National Library of Medicine. Arxivat de l'original el 2016-03-12.[Consulta: 24 juliol 2015].
ncbi.nlm.nih.gov
«Prevalence of linked angina and gastroesophageal reflux disease in general practice».World J. Gastroenterol.,15,14,4-2009,p.1764–8. DOI: 10.3748/wjg.15.1764. PMC: 2668783. PMID: 19360921.