TY  - RPRT
TI  - A simple method for evaluating masticatory performance using a color-changeable chewing gum.
AU  - I Hayakawa
AU  - I Watanabe
AU  - S Hirano
AU  - M Nagao
AU  - T Seki
UR  - https://pubmed.ncbi.nlm.nih.gov/9709608/
ID  - 9709608
ER  -