Man with tarry stools

• Hung‐Bin Tsai,
• Chia‐Hao Hsu,
• Chien‐Lun Chen,
• Po‐Han Chu,
• Chen Wei Huang,
• Nin‐Chieh Hsu

Affiliations

Hung‐Bin Tsai

Division of Hospital Medicine Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan

Chia‐Hao Hsu

Department of Orthopedics Kaohsiung Municipal Ta‐Tung Hospital Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan

Chien‐Lun Chen

Department of Medical Education National Taiwan University Hospital Taipei Taiwan

Po‐Han Chu

Department of Medical Education National Taiwan University Hospital Taipei Taiwan

Chen Wei Huang

Division of Hospital Medicine Department of Internal Medicine Zhongxing Branch Taipei City Hospital Taipei Taiwan

Nin‐Chieh Hsu

Division of Hospital Medicine Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan