P wave duration and P-R interval during first week of life
Br Heart J
.
1963 Jan;25(1):42-6.
doi: 10.1136/hrt.25.1.42.
Author
S Z WALSH
PMID:
13998652
PMCID:
PMC1017958
DOI:
10.1136/hrt.25.1.42
No abstract available
MeSH terms
Electrocardiography*
Humans
Infant
Infant, Newborn