Article
說鼻 - Discussing the nose

Column title: 衛生 - Hygiene
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: health, science, hygiene,

Persons:
長生 Chang Sheng (Author)

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Article
說舌 - Discussing the tongue

Column title: 衛生 - Hygiene
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: health, science, hygiene,

Persons:
長生 Chang Sheng (Author)

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