Minimally invasive perinatal autopsies using magnetic resonance imaging and endoscopic postmortem examination ("keyhole autopsy"): feasibility and initial experience. - Sebire NJ; Weber MA; Thayyil S; Mushtaq I; Taylor A; Chitty LS; Sebire, Neil J; Weber, Martin A; Thayyil, Sudhin; Mushtaq, Imran; Taylor, Andrew; Chitty, Lyn S (Journal of Maternal-Fetal & Neonatal Medicine, 2012)