Verification of Metabolic Syndrome Checkup Data with a Self-Organizing Map (SOM): Towards a Simple Judging Tool. - Heizo Tokutaka; Masaaki Ohkita; Nobuhiko Kasezawa; Makoto Ohki (WSOM, 2012)

Visualization and Practical Use of Clinical Survey Medical Examination Results. - Masaaki Ohkita; Heizo Tokutaka; Nobuhiko Kasezawa; Eikou Gonda (WSOM, 2016)

Simultaneous Display of Front and Back Sides of Spherical SOM for Health Data Analysis. - Gen Niina; Heizo Tokutaka; Masaaki Ohkita; Nobuhiko Kasezawa (WSOM+, 2019)