TY - GEN AU - CACERES,C A AU - KELSER,G A AU - MIZE,W R TI - Formation of the P-R segment SN - 0009-7322 PY - 2000///0701 KW - Cardiovascular Physiological Phenomena KW - Electrocardiography N1 - Publication Type: Journal Article UR - https://doi.org/10.1161/01.cir.20.2.229 ER -