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∣延伸阅读∣
www. ncbi.nlm.nih.gov/pmc/articles/PMC2549463/
www. healthychild.com/has-the-cause-of-crib-death-sids-been-found/
www. healthychild.com/are-toxic-gases-in-crib-mattresses-causing-crib-death-sids/
