Funel, Niccola, et al. “The New Fully Automated System For Ki67 Evaluation in Pancreatic Neuroendocrine Tumors (PNETs). Would It Be Possible to Obtain a Standard to Grade Evaluation?”. JOP. Journal of the Pancreas, vol. 13, no. 5S, Sept. 2012, p. 562, doi:10.6092/1590-8577/1078.