TY - JOUR IS - 5791 JO - Nature PY - 1980 SN - 0028-0836 VL - 288 AU - Semm P AU - Schneider T AU - Vollrath L DO - 10.1038/288607a0 LA - en N1 - FEMU ID: 14177; EMF-Portal URL: https://www.emf-portal.org/en/article/14177 SP - 607-608 TI - Effects of an earth-strength magnetic field on electrical activity of pineal cells ER -