Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Klara Rumyanova:

"

Rumyanova's health was getting worse each day. She started to lose consciousness more frequently. Four days before her death, she woke up at midnight, fell down unconscious and couldn't get back up, which caused pneumonia. She lay on the floor until morning when her neighbour came in.[citation needed]