Diagnostic value of P wave in lead V in chronic obstructive...

Diagnostic value of P wave in lead V in chronic obstructive pulmonary disease

Juan B. Calatayud, Harold M. Silver
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Volume:
4
Year:
1971
Language:
english
DOI:
10.1016/s0022-0736(71)80028-6
File:
PDF, 317 KB
english, 1971
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