Table 3.

Search strategy using MEDLINE

1	exp Esophagus/
2	(esophag$ or oesophag$).mp
3	exp gastroesophageal reflux/
4	(gastroesophageal adj3 reflux).mp
5	(gastro adj3 oesophageal adj3 reflux).mp
6	(gastro adj3 esophageal adj3 reflux).mp
7	(gerd or gord).mp
8	exp Duodenogastric Reflux/
9	bile reflux.mp
10	(acid adj3 reflux).mp
11	(gastric adj3 acid adj3 secret$).mp
12	(stomach adj3 acid adj3 secret$).mp
13	(gastric adj3 eros$).mp
14	(stomach adj3 eros$).mp
15	Heartburn/
16	(heartburn or indigestion).mp
17	exp Esophagitis/
18	(esophagitis or oesophagitis).mp
19	(low$ adj6 sphincter$ adj3 pressur$).mp
20	Gastric Emptying/
21	Gastroparesis/
22	exp Gastritis/
23	(gastr$ adj3 empt$ adj3 disorder$).mp
24	(stomach adj3 empt$ adj3 disorder$).mp
25	Dyspepsia/
26	dyspep$.mp
27	Eructation/
28	eructation.mp
29	regurgitat$.mp
30	Hernia, Hiatal/
31	hernia$ hiat$.mp
32	1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31
33	Fundoplication/
34	fundoplication$.mp
35	(nissen or rossetti).mp
36	(toupet or lind or watson or besley).mp
37	(LINX or sphincter augmentation).mp
38	(STRETTA or radiofrequency ablation).mp
39	33 or 34 or 35 or 36 or 37 or 38
40	Lung Transplantation/
41	lung transplant$.tw
42	Organ Transplantation/
43	Transplantation/
44	40 or 41 or 42 or 43
45	32 and 39 and 44