PT  - JOURNAL ARTICLE
AU  - Scott Gabbard
AU  - Sonya Vijayvargiya
TI  - Functional heartburn: An underrecognized cause of PPI-refractory symptoms
AID  - 10.3949/ccjm.86a.19006
DP  - 2019 Dec 01
TA  - Cleveland Clinic Journal of Medicine
PG  - 799--806
VI  - 86
IP  - 12
4099  - http://www.ccjm.org/content/86/12/799.short
4100  - http://www.ccjm.org/content/86/12/799.full
SO  - Cleve Clin J Med2019 Dec 01; 86
AB  - Functional heartburn—persistent symptoms of esophageal reflux with no objective evidence of gastroesophageal reflux disease (GERD)—is the most common cause of failure of proton pump inhibitor (PPI) therapy, but it is often overlooked by internists and gastroenterologists.