TY - RPRT TI - Extremely low frequency magnetic fields can either increase or decrease analgaesia in the land snail depending on field and light conditions. AU - F S Prato AU - M Kavaliers AU - A W Thomas PY - 2000 DO - 10.1002/(sici)1521-186x(200005)21:4<287::aid-bem5>3.0.co;2-n UR - https://pubmed.ncbi.nlm.nih.gov/10797457/ ID - 10797457 ER -