Identification of epidermal growth factor (EGF), in an unknown pharmaceutical preparation suspected to contain insulin like growth factor 1 (IGF-1)., Vanhee, Celine, Janvier Steven, Moens Goedele, Goscinny Séverine, Courselle Patricia, and Deconinck Eric , Drug Test Anal, 2017 May, Volume 9, Issue 5, p.831-837, (2017)