Michael V. Knopp

Normal and abnormal pulmonary ventilation: visualization at hyperpolarized He-3 MR imaging.

A Potthast, M V Knopp, M Thelen, 1996, Radiology.

Nuclear magnetic resonance imaging with hyperpolarised helium-3

P Bachert, L. Schad, M. Knopp, 1996, The Lancet.