CONCLUSION: There exist age and gender characteristics regarding adolescent smoking behavior. The inducing factors are various, interacted with each other, and combine into a unified identity.
结论：青少年吸烟行为有其年龄特点和性别特点，吸烟行为的影响因素也是多方面的，各个因素之间相互影响，共同构成一个综合体。
To study the clinical characteristics of incidence, diagnosis, therapy and complications of adolescent ovarian tumors.
探讨青少年卵巢肿瘤的发病情况，诊断和治疗特点以及并发症。
Objective To investigate the characteristics and changes of comfortable levels after cochlear implants(CI) in adolescents in order to obtain the basic mapping data for adolescent patients.
目的通过探讨人工耳蜗植入术后青少年患者舒适阈的特点及变化，为此类患者调试人工耳蜗提供基本资料。
Objective to master the epidemical characteristics and risk factors of adolescent acne in urban and rural areas in southern Hebei.
目的了解冀南地区城乡青少年面部痤疮的流行病学特点，分析其患病的主要危险因素。
Results: the demographic characteristics of the cases of this time were as follows: the majority was male adolescent with lower cultural degree and without jobs.
结果：本期收治的病例具有青少年男性、低文化程度、无业闲散人员占多数等人口学特征。
To investigate the possible etiological factors, pathogenesis, diagnostic criteria, clinic characteristics and the choice of treatment of the adolescent instability of lower cervical spine.
探讨青少年下颈椎不稳的可能的病因及发病机理、诊断标准及临床特点、治疗方法的选择。
Issues common to the school-age child and adolescent include changing physical characteristics and body image concerns.
共同问题学龄期儿童和青少年包括改变的物理特性和身体形象的关注。
Objective To investigate the clinical characteristics, therapies and prognosis of male adolescent patients with prolactinoma.
目的探讨男性青少年催乳素瘤的临床特点、治疗与预后。
Objective to investigate the correlation among episode, clinical characteristics of the adolescent patients with essential hypertension (EH) and to analyze the effect of motor intervention.
目的探讨青少年原发高血压(EH)的发病影响因素及其临床特点，并分析运动干预的效果。
Objective to investigate the correlation among episode, clinical characteristics of the adolescent patients with essential hypertension (EH) and to analyze the effect of motor intervention.
目的探讨青少年原发高血压(EH)的发病影响因素及其临床特点，并分析运动干预的效果。
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