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Atkinson Charitable Foundation gift of $36;300 to the Ontario Cancer Institute in Toronto was denoted to duplicate this powerful electron microscope. It is urgently needed to aid research. It is urgently needed to aid research. At miscroscope is Mrs. June Almeida. Behind her Dr. Donald Parsons; in back is Dr. Arthur W. H. (Photo by Norman James/Toronto Star via Getty Image

誰最早發現了人類冠狀病毒

2020年5月5日

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