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1 дек 1990 г. - US FDA Approves nucleus implant

Описание:

The US FDA approves the Nucleus Cochlear Implant System for children aged 2 to 17 years,

Добавлено на ленту времени:

Cochlear Implant

4 дек 2017

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746

Дата:

1 дек 1990 г.

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~ 34 г назад

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