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There are numerous obstacles to implementing and conducting clinical trials. Patient accrual and the costs of clinical trials are difficult problems for researchers. Additional obstacles to implementing clinical trials are patient-related, physician-related, and nurse-related barriers.
开展临床试验存在诸多障碍。患者招募和临床试验成本是研究人员面临的难题。开展临床试验的其他障碍包括与患者、医生和护士相关的障碍。
