TY  - RPRT
TI  - Inexpensive, convenient transducer holder.
AU  - J R Ronderos
AU  - G L Boyd
PY  - 1993
DO  - 10.1213/00000539-199305000-00063
UR  - https://pubmed.ncbi.nlm.nih.gov/8484537/
ID  - 8484537
ER  -