33
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
8627163
821068
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Создать
Create a timeline
Public timelines
Library
FAQ

1 янв 1923 г. - Heart valve surgery was established.

Добавлено на ленту времени:

Health Timeline - Semaj Johnson

BySemaj
15 авг 2023
2
0
221

Дата:

1 янв 1923 г.
Сейчас
~ 102 г назад
About & FeedbackСоглашениеПриватностьБиблиотекаFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL