W W Lam

Variability of magnetic resonance angiography and computed tomography angiography in grading middle cerebral artery stenosis.

W. Lam, K. Wong, Y. Chan, 1996, Stroke.

Intracranial stenosis in Chinese patients with acute stroke

K. Wong, K. Wong, Y. Chan, 1998, Neurology.

Choledocholithiasis: comparison of MR cholangiography and endoscopic retrograde cholangiography.

J. Sung, A. Li, C. Metreweli, 1996, Radiology.