TY - GEN AU - LUISADA,A A AU - MAGRI,G TI - The low frequency tracings of the precordium and epigastrium in normal subjects and cardiac patients SN - 0002-8703 PY - 2003///0501 KW - Cardiovascular Diseases KW - diagnosis KW - Diagnostic Techniques, Cardiovascular KW - Electrocardiography KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0002-8703(52)90194-4 ER -