TY - RPRT TI - Clinically practical lead systems for improved electrocardiography: comparison with precordial grids and conventional lead systems. AU - R L Lux AU - M J Burgess AU - R F Wyatt AU - A K Evans AU - G M Vincent AU - J A Abildskov PY - 1979 DO - 10.1161/01.cir.59.2.356 UR - https://pubmed.ncbi.nlm.nih.gov/759003/ ID - 759003 ER -