Results The study showed a correlation between prime colonization time and feeding mode, breast feeding, feeding frequency during bedtime, asleep habits.

 
  • 記錄兒童牙齒萌出數目,采集兒童口腔內的菌斑或唾液,在實(shí)驗室作細菌培養和鑒定,同時(shí)進(jìn)行問(wèn)卷調查。
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