Cheng, L. L., Ma, M. J., Becerra, L., Ptak, T., Tracey, I., Lackner, A., & González, R. G. (1997). Quantitative neuropathology by high resolution magic angle spinning proton magnetic resonance spectroscopy. The National Academy of Sciences of the USA.

Cheng, L. L., M. J. Ma, L. Becerra, T. Ptak, I. Tracey, A. Lackner, och R. G. González. Quantitative Neuropathology By High Resolution Magic Angle Spinning Proton Magnetic resonance spectroscopy. The National Academy of Sciences of the USA, 1997.

Cheng, L. L., et al. Quantitative Neuropathology By High Resolution Magic Angle Spinning Proton Magnetic resonance spectroscopy. The National Academy of Sciences of the USA, 1997.