TY - GEN AU - Zipes,D P AU - Fisch,C TI - Premature A-V junctional contractions SN - 0003-9926 PY - 1971///1221 KW - Arrhythmias, Cardiac KW - diagnosis KW - Electrocardiography KW - Tachycardia N1 - Publication Type: Journal Article ER -