blood donators

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1.

In the past few days , blood donators received red roses in return by volunteers .

这几天，每位参与无偿献血的市民都会收到志愿者献上的红玫瑰。

2.

MethodA questionnaire was designed to investigate the satisfaction of blood donators twice every year .

方法设计满意度调查表，每年对献血者进行 2 次问卷调查。

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4.

An analysis of the results of serological test for syphilis among the non-remunerated blood donators in Maanshan city

马鞍山市无偿献血人群梅毒血清学检测结果分析

5.

Syphilis examination on voluntary blood donators in the college and vocational school students in Huanggang City

黄冈市无偿献血大中专学生梅毒检测结果分析