TY  - RPRT
TI  - The Hawksley random zero sphygmomanometer. Repeat experiment exonerates instrument.
AU  - J Garrow
AU  - C Summerbell
PY  - 1993
DO  - 10.1136/bmj.307.6896.123-a
UR  - https://pubmed.ncbi.nlm.nih.gov/8240507/
ID  - 8240507
ER  -