| Autor: |
Bong SH; Division of Gastroenterology and Hepatology, National University Hospital, Singapore, Singapore., Tan BW; Division of Gastroenterology and Hepatology, National University Hospital, Singapore, Singapore., Yong JM; Department of Otorhinolaryngology, National University Hospital, Singapore, Singapore., Ng LS; Department of Otorhinolaryngology, National University Hospital, Singapore, Singapore., Koh CJ; Division of Gastroenterology and Hepatology, National University Hospital, Singapore, Singapore.; Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore. |
