TY - JOUR IS - 2 JA - IEEE Trans Biomed Eng JO - IEEE Transactions on Biomedical Engineering PY - 1973 SN - 0018-9294 VL - 20 AU - Huhta JC AU - Webster JG DO - 10.1109/TBME.1973.324169 LA - en N1 - FEMU ID: 3698; EMF-Portal URL: https://www.emf-portal.org/en/article/3698 SP - 91-101 TI - 60-HZ interference in electrocardiography ER -