A symptom severity questionnaire for patients suffering from functional gastrointestinal disorder: FGI‐Checklist
2018 ◽
Vol 19
(12)
◽
pp. 759-765
◽
2007 ◽
Vol 102
◽
pp. S510
◽
2015 ◽
Vol 56
(07)
◽
pp. 385-392
◽