The purpose of the Journal of Electrocardiology.
Explore the source record for details and available documents.
Cardiology↗
Biomedical subjects
Z Z Zao
Publications and source records attributed to Z Z Zao.
The circular reference system revisited.
Explore the source record for details and available documents.
Electrocardiography↗
Directional sequence of limb leads and the lead circle.
Explore the source record for details and available documents.
Electrocardiography↗
Precordial calibration.
Explore the source record for details and available documents.
Electrocardiography↗
Differential vectorcardiography.
Explore the source record for details and available documents.
Animals↗
Major VCG systems proposed in the USA.
Explore the source record for details and available documents.
Biophysical Phenomena↗
Resolution of orthogonal leads for spatial vector-electrocardiography.
Explore the source record for details and available documents.
Electrocardiography↗
Vector loops from normal children recorded with the HCB spatial lead system.
Explore the source record for details and available documents.
Adolescent↗
The purpose of the journal of electrocardiology.
Explore the source record for details and available documents.
Cardiology↗
Professor Herman Carel Burger 1893-1965.
Explore the source record for details and available documents.
History, 20th Century↗
The ventricular vector and polar gradient.
Explore the source record for details and available documents.
Electrocardiography↗
The spatial ventricular vector. Its definition, determination, and clinical significances.
Explore the source record for details and available documents.
Adult↗