TY  - RPRT
TI  - The sphygmomanometer.
AU  - E T O'Brien
AU  - K O'Malley
PY  - 1979
DO  - 10.1136/bmj.2.6194.851
UR  - https://pubmed.ncbi.nlm.nih.gov/509127/
ID  - 509127
ER  -