1. Dipeptidyl Peptidase-4 Inhibitors, Peripheral Arterial Disease, and Lower Extremity Amputation Risk in Diabetic Patients 
Chun-Chin Chang, MD, Yung-Tai Chen, MD, Chien-Yi Hsu, MD, Yu-Wen Su, MD, Chun-Chih Chiu, MD, Hsin-Bang Leu, MD, PhD, Po- Hsun Huang, MD, PhD, Jaw-Wen Chen, MD, PhD, Shing-Jong Lin, MD, PhD 
The American Journal of Medicine 
Volume 130, Issue 3, Pages (March 2017)
DOI: /j.amjmed
Copyright © 2016 Elsevier Inc. Terms and Conditions

2. Figure
Flow diagram of study selection process. DPP-IV = dipeptidyl peptidase-4; T2DM = type 2 diabetes mellitus.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2016 Elsevier Inc. Terms and Conditions