Từ điển y khoa

2. Chỉ tính chất của một thử nghiệm lâm sàng hoặc một thí nghiệm khác (nghiên cứu mù), mà ở đó, có một nhóm hoặc nhiều hơn được nhận, được cung cấp, và được đánh giá một phương pháp điều trị mà không biết một đối tượng thí nghiệm bất kỳ được nhận loại phương pháp điều trị nào, đôi khi còn được gọi là nghiên cứu có che giấu để tránh nhầm lẫn. Xem thêm mù đơn, mù đôi, và mù ba. Tham khảo open.

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