Authors
Sahaphol Anannamcharoen
Division of Coloproctology, Department of Surgery, Phramongkutklao Hospital, Bangkok, Thailand
Kanchana Areerattanavet
Division of Coloproctology, Department of Surgery, Phramongkutklao Hospital, Bangkok, Thailand
© 2017 Sahaphol Anannamcharoen, Kanchana Areerattanavet, published by Chulalongkorn University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.