TY - GEN AU - MARCUS,P S TI - An electronic pulse detector SN - 0003-3022 PY - 2003///0501 KW - Cardiovascular Physiological Phenomena KW - Electronics KW - Heart Rate KW - Pulse KW - analysis N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00000542-195507000-00022 ER -