title: Cultural factors in the organization of multicentre trials.
mesh_terms: D001290:Attitude; D002986:Clinical Trials as Topic / Q000379:methods*; D003431:Cross-Cultural Comparison; D003466:Cultural Characteristics; D003469:Culture; D003933:Diagnosis; D004358:Drug Therapy / Q000523:psychology; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D007391:International Cooperation; D009747:Nutritional Physiological Phenomena; D004364:Pharmaceutical Preparations / Q000378:metabolism; D012107:Research Design
chemical_list: D004364:Pharmaceutical Preparations