Cita APA

Borden, H. H., & Ibrahim, M. A. (1970). The epidemiology of the QRS axis measurement.

Chicago Style Citation

Borden, H H., i M A. Ibrahim. The Epidemiology of the QRS Axis Measurement. 1970.

Cita MLA

Borden, H H., i M A. Ibrahim. The Epidemiology of the QRS Axis Measurement. 1970.

Atenció: Aquestes cites poden no estar 100% correctes.