Diurnal profiles of salivary cortisol on workdays among construction workers versus white-collar workers.
Shift work, occupational noise and physical workload with ensuing development of blood pressure and their joint effect on the risk of coronary heart disease.
Effects of shift rotation and the flexibility of a shift system on daytime alertness and cardiovascular risk factors.
Shift work and the risk of ischemic heart disease : a systematic review of the epidemiologic evidence.
Sleep and autonomic nervous system changes : enhanced cardiac sympathetic modulations during sleep in permanent night shift nurses.