Bourne JE, Sauchelli S, Perry R, Page A, Leary S, England C, Cooper AR. Health benefits of electrically-assisted cycling: a systematic review. Int J Behav Nutr Phy. 2018 Nov 21;15(1):116. doi: 10.1186/s12966-018-0751-8
Chandran AB, Coon CD, Martin SA, McLeod LD, Coles TM, Arnold LM. Sphygmomanometry-evoked allodynia in chronic pain patients with and without fibromyalgia. Nurs Res. 2012 Sep 1;61(5):363-8.
Morgan L, Hawe E, Palmen J, Montgomery H, Humphries SE, Kitchen N. Polymorphism of the heme oxygenase-1 gene and cerebral aneurysms. Br J Neurosurg. 2005;19(4):317-21.