R. Walton

发表

Truls Østbye, M. K. Campbell, R. Walton, 1997, Canadian family physician Medecin de famille canadien.

Truls Østbye, M. K. Campbell, R. Walton, 2008 .

C. Wolfson, Truls Østbye, G. Hill, 1999, Journal of the American Geriatrics Society.

J. Cairney, Truls Østbye, R. Steenhuis, 2000, Canadian journal of public health = Revue canadienne de sante publique.

M. Levine, J. Moutquin, J. Feightner, 2001 .