TY  - RPRT
TI  - Observation by gravigoniometric test.
AU  - I Watanabe
AU  - J Okubo
AU  - S Kodaka
AU  - K Tsutsumiuchi
PY  - 1980
UR  - https://pubmed.ncbi.nlm.nih.gov/7246888/
ID  - 7246888
ER  -