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抽血时人们常紧握拳头,但发表在英国《临床生物化学》期刊上的一项研究却指出,这可能并不是个好习惯,因为紧握拳头可能使化验结果不准确。
People often hold their fists when blood is drawn, but a study published in the British journal Clinical Biochemistry has pointed out that this may not be a good habit because clenching fists may inaccurately test results.