TY  - RPRT
TI  - Pulse examination by an ultrasonic method.
AU  - S T Yao
AU  - J T Hobbs
AU  - W T Irvine
PY  - 1968
DO  - 10.1136/bmj.4.5630.555
UR  - https://pubmed.ncbi.nlm.nih.gov/5722317/
ID  - 5722317
ER  -