MatsumotoK., and KatanumaA. “Novel Tissue Harmonic Imaging Clearly Visualizes a Case of Intraductal Papillary Mucinous Neoplasm With Mural Nodules”. JOP. Journal of the Pancreas, Vol. 15, no. 3, May 2014, pp. 274-5, doi:10.6092/1590-8577/2385.