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21 июн 1925 г. - Nathanial Klietman 2

Описание:

Opened world's first sleep lab in the University of Chicago, used electrical recording instruments and chartered effects upon sleepers of alcohol and drugs.

Добавлено на ленту времени:

History of Sleep study

ByK
9 окт 2018

Дата:

21 июн 1925 г.
Сейчас
~ 98 г назад
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