A doctor or lab technician holds a polio vaccine on a blue background. Vaccination and prevention poliomyelitis. Infantile paralysis.
ID: 1874722384
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- 大图:5371 × 3581 像素·45.47 cm × 30.32 cm·300dpi·JPG
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- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG