Nurses' sleep quality, work environment and quality of care in the Spanish National Health System: observational study among different shifts
Teresa Gómez-García, María Ruzafa-Martínez, Carmen Fuentelsaz-Gallego, Juan Antonio Madrid, Maria Angeles Rol, María José Martínez-Madrid, Teresa Moreno-Casbas
BMJ Open Aug 2016, 6 (8) e012073; DOI: 10.1136/bmjopen-2016-012073