@article{oai:twinkle.repo.nii.ac.jp:00023764, author = {Sawamura, Jitsuki and Morishita, Shigeru and Ishigooka, Jun}, issue = {1}, journal = {Theoretical biology and medical modelling}, month = {Feb}, title = {A group matrix representation relevant to scales of measurement of clinical disease states via stratified vectors}, volume = {13}, year = {2016} }