1. Quality of sleep as a function of age and shift work;Reinberg, A.,1981
2. Health risks related to shift work;Koller, M.;Int Arch Occup Environ Heath,1983
3. Shift-dependent wellbeing and individual differences;Akerstedt, T.; Shiftwork, Torsvall L.;Ergonomics,1981
4. The ageing pineal gland and its physiological consequencies;Reiter, R.J.;Bioessays,1992
5. Ageing and circadian rhythms;WA, Van Good; M, Mirmiran,1986