1. Nichols W, O’Rourke M, Vlachopoulos C. McDonald’s blood flow in arteries: theoretical, practical and clinical principles. Boca Raton, FL: CRC; 2011.
2. Marey EJ. Physiologie médicale de la circulation du sang basée sur l'étude graphique. A. Delahaye; 1863.
3. Mahomed FA. The physiology and clinical use of the sphygmograph. Med Times Gazette. 1872;1:62.
4. Wellcome Collection (image credit). 2018. https://wellcomecollection.org/works/x92jruvr . Accessed Oct 2018.
5. Riva-Rocci S. Un nuovo sfigmomanometro. Gazzetta medica di Torino. 1896;47:981–1001.