In memory of Boris Aleksandrovich Kolygin: if a person is with God, he is no longer alone (on the occasion of his 85^th birthday)

For citations:

In memory of Boris Aleksandrovich Kolygin: if a person is with God, he is no longer alone (on the occasion of his 85^th birthday). Russian Journal of Pediatric Hematology and Oncology. 2021;8(4):109-110. (In Russ.)