哥伦比亚大学专门从事肺病研究的医学教授尼尔·W·施拉格（ Neil W. Schluger）博士说：“要证明这个方法的稳定性还有很长的路要走。”

“They’re a long way from demonstrating the robustness of their technique, ” said Dr. Neil W. Schluger, a professor of medicine at Columbia University who specializes in lung diseases.

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加拉格尔和他的博士生导师尼尔·哈默·施拉格的这项研究去年发表在《当前的旅游业问题》上。

Gallagher and his doctoral advisor Neil Hammerschlag published the study last year in Current Issues in Tourism.

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