Làm thế nào để đưa ra kết luận đáng tin cậy trong bối cảnh có sự không chắc chắn? Các nhà khoa học có đang nghiên cứu về tính ổn định và độ bền của các phương pháp này theo thời gian không?

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Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.

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