minor schematic of the bioelectric iv,  2009 details/purchase prints minor schematic of the bioelectric v,  2009 details/purchase prints minor schematic of the bioelectric vi,  2009 details/purchase prints minor schematic of the bioelectric vii,  2009 details/purchase prints minor schematic of the bioelectric xi,  2009 details/purchase prints minor schematic of the bioelectric xiii,  2009 details/purchase prints