title: Globalization: the key challenge facing health economics in the 21st century.
authors: Richard
authors: R
authors: Smith
mesh_terms: D003695:Delivery of Health Care / Q000191:economics* / Q000458:organization & administration; D004467:Economics; D004470:Economics, Medical / Q000639:trends*; D014943:Global Health; D006801:Humans; D038622:Internationality