Iterative reconstruction for few-view grating-based phase-contrast CT —An in vitro mouse model T. Gaass, G. Potdevin, M. Bech, P. B. Noël, M. Willner, A. Tapfer, F. Pfeiffer and A. Haase EPL, 102 4 (2013) 48001 Published online: 11 June 2013 DOI: 10.1209/0295-5075/102/48001