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
Launois R, Fiestas Navarette L, Ethgen O, Le Moine J, Gatsinga R. Health economic value of an innovation: delimiting the scope and framework of future market entry agreements. J Market Access Health Policy. 2014 Jun;2:24988. doi: 10.3402/jmahp.v2.24988
Onken JE, Greer PK, Calingaert B, Hale LP. Bromelain treatment decreases secretion of pro-inflammatory cytokines and chemokines by colon biopsies in vitro. Clin Immunol. 2008 Mar 1;126(3):345-52.