ดีเอ็นเอ, ชีววิทยา, ยา, ยีน, จุลชีววิทยา, การวิเคราะห์, ประสบการณ์, เป็นมนุษย์, ห้องปฏิบัติการ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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