แบคทีเรีย, เชื้อโรค, การติดเชื้อ, สีเขียว, จุลินทรีย์, กล้องจุลทรรศน์, ทนหลาย, ต้านทาน, ความต้านทาน, Staphylococcus, เชื้อ
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ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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