Ritchie D.B.C.,1989
Ritchie D.B.C., Tam B.M., MacGillivray R.T.A. - Alberta Heritage Foundation for Medical Reseach Heritage Days., 1989.
Ritchie D.B.C., Tam B.M., MacGillivray R.T.A. - Alberta Heritage Foundation for Medical Reseach Heritage Days., 1989.