title: A necessary setback for world trade.
mesh_terms: D000383:Agriculture / Q000191:economics*; D001709:Biotechnology / Q000191:economics; D003132:Commerce / Q000191:economics / Q000458:organization & administration*; D019049:Developed Countries / Q000191:economics*; D003906:Developing Countries / Q000191:economics*; D038622:Internationality; D008800:Mexico