gloved hand holds a syringe and a phial - conceptual medical image with space for copy. - 抗體 個照片及圖片檔注射疫苗, 肉毒桿菌毒素注射, 針筒
scientist using multi-channel pipette to fill multiwell plate for analysis of antibodies by elisa assay, jenner institute, oxford university - 抗體 個照片及圖片檔