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  Indian J Med Microbiol
 

Figure 1: Level of knowledge among secondary school students toward oral hygiene in Medhanealem High School, Addis Ababa, September 2019 (n = 320)

Figure 1: Level of knowledge among secondary school students toward oral hygiene in Medhanealem High School, Addis Ababa, September 2019 (<b>n</b> = 320)