|Dr. Arun Rojanasakul
Consultant Colorectal Surgery, Bumrungrad International Hospital, Thailand.
|Staff of Department of Surgery, Faculty of Medicine, Chulalongkorn University. Assistant Professor in Colorectal Surgery. Head Colorectal Division Department of Surgery Faculty of Medicine, Chulalongkorn University . Committee of medical council of Thailand. President of Thailand Society of Colorectal surgery. Head of Department of Surgery Faculty of Medicine, Chulalongkorn University Professor in surgery, Chulalongkorn University. President of Asia Pacific Federation of Coloproctology . Emeritus Professor in surgery, Chulalongkorn University.|
|Anal sphincter anatomy|
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