เซลล์เม็ดเลือดแดง, เส้นเลือด, หลอด, ไมโคร, วิทยาศาสตร์, การทดลอง, วิจัย, นักวิทยาศาสตร์, 3d, ไหล, ชีววิทยา
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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