Baker SC, Atkin N, Gunning PA, Granville N, Wilson K, Wilson D, Southgate J. Characterisation of electrospun polystyrene scaffolds for three-dimensional in vitro biological studies. Biomaterials. 2006 Jun;27(16):3136–46. doi: 10.1016/j.biomaterials.2006.01.026. PMID: 16473404.