Boehler MD, Wheeler BC, Brewer GJ (2007) Added astroglia promote greater synapse density and higher activity in neuronal networks. Neuron Glia Biol 3:127-140.

Reppel M, Pillekamp F, Brockmeier K, Matzkies M, Bekcioglu A, Lipke T, Nguemo F, Bonnemeier H, Hescheler J (2005) The electrocardiogram of human embryonic stem cell-derived cardiomyocytes. J Electrocardiol 38:166-170.

Wagenaar DA, Potter SM (2004) A versatile all-channel stimulator for electrode arrays, with real-time control. J Neural Eng 1:39-45.