TY - GEN AU - Tobata,I TI - [Diffeentiation of myocardial infarction by frontal 20-msec. QRS vector] SN - 0047-1852 PY - 1971///0602 KW - Adult KW - Humans KW - Male KW - Mathematics KW - Methods KW - Middle Aged KW - Myocardial Infarction KW - diagnosis KW - Vectorcardiography N1 - Publication Type: Journal Article ER -