Melanosis coli: Harmless pigmentation? A case-control retrospective study of 657 cases

Zhong Hui Liu; Dominic Chi Chung Foo; Wai Lun Law; Fion Siu Yin Chan; Joe King Man Fan; Jun Sheng Peng

doi:10.1371/journal.pone.0186668

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Open Access

Peer-reviewed

Research Article

Melanosis coli: Harmless pigmentation? A case-control retrospective study of 657 cases

Zhong Hui Liu,

Roles Investigation, Methodology, Writing – original draft

Affiliation Department of Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China

http://orcid.org/0000-0002-8604-4818

⨯
Dominic Chi Chung Foo,

Roles Methodology, Software

Affiliations Department of Surgery, The University of Hong Kong, The University of Hong Kong—Shenzhen Hospital, Shenzhen, Guangdong Province, China, Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, HKSAR, China
⨯
Wai Lun Law,

Roles Methodology, Supervision

Affiliations Department of Surgery, The University of Hong Kong, The University of Hong Kong—Shenzhen Hospital, Shenzhen, Guangdong Province, China, Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, HKSAR, China
⨯
Fion Siu Yin Chan,

Roles Formal analysis, Resources

Affiliations Department of Surgery, The University of Hong Kong, The University of Hong Kong—Shenzhen Hospital, Shenzhen, Guangdong Province, China, Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, HKSAR, China
⨯
Joe King Man Fan ,

Contributed equally to this work with: Joe King Man Fan, Jun Sheng Peng

Roles Supervision, Writing – review & editing

* E-mail: drjoefan@hku.hk (JKMF); pengsir1010@126.com (JSP)

Affiliations Department of Surgery, The University of Hong Kong, The University of Hong Kong—Shenzhen Hospital, Shenzhen, Guangdong Province, China, Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, HKSAR, China
⨯
Jun Sheng Peng

Contributed equally to this work with: Joe King Man Fan, Jun Sheng Peng

Roles Conceptualization, Project administration, Supervision

* E-mail: drjoefan@hku.hk (JKMF); pengsir1010@126.com (JSP)

Affiliation Department of Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
⨯

Melanosis coli: Harmless pigmentation? A case-control retrospective study of 657 cases

Zhong Hui Liu,
Dominic Chi Chung Foo,
Wai Lun Law,
Fion Siu Yin Chan,
Joe King Man Fan,
Jun Sheng Peng

Published: October 31, 2017
https://doi.org/10.1371/journal.pone.0186668

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