2004年北卡罗来纳州儿科医师的一项调查发现，不足一半的医生会定期地推荐维生素点滴，六分之一的医生从来不推荐。
A 2004 survey of North Carolina pediatricians found that fewer than half routinely recommended them, and one in six never recommended them.
2004年北卡罗来纳州儿科医师的一项调查发现，不足一半的医生会定期地推荐维生素点滴，六分之一的医生从来不推荐。
A 2004 survey of North Carolina pediatricians found that fewer than half routinely recommended them, and one in six never recommended them.
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