TY - JOUR IS - 1 JA - Health Phys JO - Health Physics PY - 1991 SN - 0017-9078 VL - 61 AU - Anderson LE DO - 10.1097/00004032-199107000-00004 LA - en N1 - FEMU ID: 2710; EMF-Portal URL: https://www.emf-portal.org/en/article/2710 SP - 41-46 TI - ELF: exposure levels, bioeffects, and epidemiology ER -