TY  - RPRT
TI  - A STUDY ON THE PRIMARY TONE BY SONA-GRAPH.
AU  - S SHIBAHARA
PY  - 1965
DO  - 10.3950/jibiinkoka.68.767
UR  - https://pubmed.ncbi.nlm.nih.gov/14338133/
ID  - 14338133
ER  -