Theo D Witkamp

Björk-Shiley convexoconcave valves: susceptibility artifacts at brain MR imaging and mechanical valve fractures.

Bas A J M de Mol, W. Mali, B. D. de Mol, 2004, Radiology.

Cerebral Lactate and N-Acetyl-Aspartate/Choline Ratios in Asphyxiated Full-Term Neonates Demonstrated In Vivo Using Proton Magnetic Resonance Spectroscopy

Jeroen van der Grond, Floris Groenendaal, G. Jansen, 1994, Pediatric Research.