เซลล์เม็ดเลือดแดง, จุลชีววิทยา, ชีววิทยา, เลือด, แบคทีเรีย, เซลล์, เซลล์เม็ดเลือด
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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