Magnetic resonance imaging of the brain in premature infants during the neonatal period. Normal phenomena and reflection of mild ultrasound abnormalities. - Van Wezel-Meijler,G.; Van der Knaap,M.S.; Sie,L.TL.; Oosting,J.; van Amerongen,A.H.; Cranendonk,A. (Neuropediatrics, 1998)