Evidence he collected during an epidemiological survey in France supported that idea.
Casanova在法国一个支持这观点的流行病学调查中搜集病例。
Objective To study an epidemiological survey of eye disease and blindness in Rongcheng city.
目的对荣成市进行眼病及盲目的流行病学调查。
Objective To make an epidemiological survey of pulmonary acariasis in different occupations.
目的调查不同职业人群中肺螨病的流行情况。
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