Briscoe S. Eysenbach, Tuische and Diepgen’s Evaluation of Web Searching for Identifying Unpublished Studies for Systematic Reviews: An Innovative Study Which is Still Relevant Today. EBLIP [Internet]. 2016 Sep. 26 [cited 2024 Apr. 19];11(3):108-14. Available from: https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/27438