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. 1979 Sep 29;2(6193):775–776. doi: 10.1136/bmj.2.6193.775

ABC of Blood Pressure Measurement: The observer.

E T O'Brien, K O'Malley

PMCID: PMC1596454 PMID: 519193

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p775-a
on p.775

p775-b
on p.775

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