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Start Over Formats Still image ✖Remove constraint Formats: Still image Subjects Hygiene ✖Remove constraint Subjects: Hygiene Subjects Health Education ✖Remove constraint Subjects: Health Education Titles Wo ke sou, da pen ti shi, yong shou pa yan kou bi; wo you tan, yao tu zai tan yu li ✖Remove constraint Titles: Wo ke sou, da pen ti shi, yong shou pa yan kou bi; wo you tan, yao tu zai tan yu li Genre Posters ✖Remove constraint Genre: Posters Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999

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  • Wo ke sou, da pen ti shi, yong shou pa yan kou bi; wo you tan, yao tu zai tan yu li1