title: Developing countries.
authors.affiliation: Diagnostic Imaging and Laboratory Technology, World Health Organization, Geneva, Switzerland. ostensenh@who.ch
authors.forename: H
authors.initials: H
authors.lastname: Ostensen
mesh_terms: D003906:Developing Countries; D006801:Humans; D007391:International Cooperation; D013222:State Medicine / Q000191:economics / Q000458:organization & administration; D014463:Ultrasonography / Q000191:economics*