Cuci Tangan

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Kalau kamu dapat melihat mikroorganisme, kamu akan cuci tangan. Virus flu, MRSA, Virus demam, dll.

Gambar diambil dari: Photos/Videos of Medical Microbiology And Immunology https://www.blogger.com/blogger.g?blogID=7555973902880125122#editor/target=post;postID=8479535485354385277