Objective: to research the bacteriological characters of chronic sinusitis in school age children and to provide basis for clinical treatment.
目的：探讨学龄儿童慢性鼻窦炎的细菌学特征，为临床治疗提供依据。
2
Objective: To understand the bacteriological condition of newborns umbilicus region infected and offer reference for clinical prevention and treatment.