Sykes M, Makowiecki K, Rodger J. (2013) Long term delivery of pulsed magnetic fields does not improve learning or alter dendritic spine density in the mouse hippocampus [v1; ref status: accepted http://f1000r.es/1o7] F1000Research (Negative results) 2013, 2:180 (doi: 10.12688/f1000research.2-180.v1)