TY - GEN AU - Talbot,S TI - Precordial exercise mapping SN - 0007-1447 PY - 1979///0428 KW - Coronary Disease KW - diagnosis KW - Electrocardiography KW - methods KW - Exercise Test KW - Humans N1 - Publication Type: Letter UR - https://doi.org/10.1136/bmj.1.6156.126 ER -