For citations:
Khabriev R.U., Polyakova Ya.N., Spasennikov B.A., Speranskaya A.V. Problems of psycho-hygiene in the staff of the penitentiary system. Hygiene and Sanitation. 2019;98(1):118-120. (In Russ.) https://doi.org/10.47470/0016-9900-2019-98-1-118-120