On January 31, Nikolai Matvevich began to complain of stabbing in his right side, but he explained his pains with rheumatism. February 2 (holiday) prof. Lyubimov went to the Institute of Experimental Medicine and was already directly sick: as he entered the Institute's stairs, he suffocated so badly that he felt bad about him and had to provide him with medical assistance at the Institute.
31 Января Николай Матвѣевичъ началъ жаловаться на колотье въ правомъ боку, но объяснялъ свои боли ревматизмомъ. 2 го февраля (праздникъ) проф.