Estimation of fetal lung volumes in-utero using echo-planar magnetic resonance imaging : P.N. Baker, I.R. Johnson, P.A. Gowland, J. Hykin, P.R. Harvey, A. Freeman, V. Adams and Sir P. Mansfield (introduced by F. Broughton Pipkin Magnetic Resonance Centre, Department of Physics and Department of Obstetrics and Gynaecology, University of Nottingham, Nottingham, UK