Na 1972, Du Ziwei, onye Japan na-ahụ maka ọdịmma ndị China na mba ofesi, nyere otu n'ime microscopes neurosurgical izizi na ngwa ịwa ahụ metụtara, gụnyere coagulation bipolar na vidiyo aneurysm, na ngalaba Neurosurgery nke Suzhou Medical College Affiliated Ho ...
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