目的了解医学生危害健康行为的流行病学特征。
Objective To study epidemiological characteristics of health risk behaviors among medical students.
目的：了解大学生危害健康行为的流行病学特征。
Objective: To ascertain epidemiological characteristics of health risk behaviors among college students.
了解大学生危害健康行为的流行病学特征及影响因素。
To study the epidemiological characteristics of health risk behaviors among college students and the influential factors.
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