RT Journal Article SR Electronic A1 Machálková, Lenka A1 Reiterová, Eva A1 Šáteková, Lenka A1 Ševčíková, Blažena A1 Šikorská, Lenka T1 Sleep of nurses in the context of diurnal preference and the shift work JF Profese Online YR 2021 VO 13 IS 2 SP 11 OP 19 DO 10.5507/pol.2020.012 UL https://profeseonline.upol.cz/en/artkey/pol-202002-0005.php AB