A blue gloved hand holds a black marker drawing wavy lines on a human leg doctor draws black lines on human leg with marker for 向量例证 a blue gloved hand holds a black marker drawing wavy lines on a human leg doctor draws black lines on human leg with marker for
Doctor in sterile gloves draws liquid from a vial into a syringe in a surgical setting with medical tools nearby doctor preparing 向量例证 doctor in sterile gloves draws liquid from a vial into a syringe in a surgical setting with medical tools nearby doctor preparing
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