J. E. O'brien

National scientific medical meeting 1997 abstracts

G. S. Nesbitt, R. Segurado, D. Sibley, 1998, Irish journal of medical science.

Comparison of teaching the basic electrocardiographic concept of frontal plane QRS axis using the classical versus the orderly electrocardiogram limb lead displays.

O Pahlm, G S Wagner, O. Pahlm, 1997, American heart journal.