Quantitative analysis of magnetic resonance imaging susceptibility artifacts caused by neurosurgical biomaterials: comparison of 0.5, 1.5, and 3.0 Tesla magnetic fields - Matsuura, H; Inoue, T; Ogasawara, K; Sasaki, M; Konno, H; Kuzu, Y (Neurol Med Chir (Tokyo), 2005)
discussion 398–399.