nonnative workers are labour force groups from other places.
外来打工族是一个外地劳动力群体。
objective to study nonnative workers group psychological health status in baotou city.
目的了解包头市外来打工群体心理健康状况。
the reaction to anti-fungal treatments and prognosis were good. conclusions the incidence of mycotic esophagitis among nonnative workers is increasing with their age increasing!