HonselmannK., ProssM., JungC., WellnerU., DeichmannS., KeckT., and BauschD. “Regulation Mechanisms of the Hedgehog Pathway in Pancreatic Cancer: A Review”. JOP. Journal of the Pancreas, Vol. 16, no. 1, Jan. 2015, pp. 25-32, doi:10.6092/1590-8577/2894.