Jennifer S. Lin, MD, MCR; Carin M. Olson, MD, MS; Eric S. Johnson, PhD; and Evelyn P. Whitlock, MD, MPH «The Ankle–Brachial Index for Peripheral Artery Disease Screening and Cardiovascular Disease Prediction Among Asymptomatic Adults: A Systematic Evidence Review for the U.S. Preventive Services Task Force». Ann Intern Med, 159, 5, 2013, pàg. 333-341. DOI: doi:10.7326/0003-4819-159-5-201309030-00007.
Fontaine R, Kim M, Kieny R «Die chirugische Behandlung der peripheren Durchblutungsstörungen. (Surgical treatment of peripheral circulation disorders)» (en alemany). Helvetica Chirurgica Acta, 21, 5/6, 1954, pàg. 499–533. PMID: 14366554.
Vowden P, Vowden K «Doppler assessment and ABPI: Interpretation in the management of leg ulceration». Worldwide Wounds, 3-2001. - describes ABPI procedure, interpretation of results, and notes the somewhat arbitrary selection of "ABPI of 0.8 has become the accepted endpoint for high compression therapy, the trigger for referral for a vascular surgical opinion and the defining upper marker for an ulcer of mixed aetiology"