TY  - RPRT
TI  - INEXPENSIVE VENOUS PRESSURE MANOMETER.
AU  - A R FRIEDMAN
AU  - L R ORKIN
DO  - 10.1097/00000542-196409000-00034
UR  - https://pubmed.ncbi.nlm.nih.gov/14211510/
ID  - 14211510
ER  -