Unverified50% confidenceCautionTime unknown
3岁以下幼儿应选择单颗珠子直径≥3.17cm（超过标准小零件测试圆筒直径）的大颗粒穿珠，直径<3.17cm的珠子存在气道完全阻塞的窒息风险
0
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50%
Confidence
Long-term
Relevance
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