American Heart Journal · 1941 · 15 citations · 4 references
4
The Human Foetal Electrocardiogram
G. H. Bell · BJOG An International Journal of Obstetrics & Gynaecology · 1938 · 34 citations
Medicine, Cardiology, Physiology +11
Electrocardiograms from a four and a half months old fetus
Mary H. Easby · American Heart Journal · 1934 · 13 citations
Medicine, Cardiology, Obstetrics +10