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21 feb 1967 anni - Invention of phacoemulsification, where sound is used to break the lens into particles which can be removed with a small probe vacuum.

Aggiunto al nastro di tempo:

Cataract Surgery

ByMichael Chalamish
18 ott 2018

Data:

21 feb 1967 anni
Adesso
~ 57 years ago
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