J. Helpern

发表

J. Ewing, K. Welch, G. D'andrea, 1985, Cephalalgia : an international journal of headache.

H. Halvorson, J. Helpern, K. Welch, 1992, NMR in biomedicine.

J. Helpern, K. Lim, K. Lim, 2002, NMR in biomedicine.

K. Welch, M. Chopp, R. Knight, 1991, Metabolic Brain Disease.

K. Welch, N. Ramadan, H. Halvorson, 1989, Headache.

C. Branch, J. Ewing, Craig A. Branch, 1991, Magnetic resonance in medicine.