title: Technology and challenge.
authors.affiliation: Department of Community Health, University of California School of Medicine, Davis.
authors.forename: C J
authors.initials: CJ
authors.lastname: Tupper
mesh_terms: D002170:Canada; D015276:Health Care Rationing; D006297:Health Services Accessibility / Q000191:economics / Q000639:trends; D010781:Photography; D012952:Societies; D013675:Technology, High-Cost / Q000191:economics / Q000639:trends*; D014481:United States