Moore-EdeMC, CzeislerCA, RichardsonGSCircadian time-keeping in health and disease.N Engl J Med1983; 309: 469–76.
2.
Classification and diagnostic criteria for headache disorders, cranial neuralgias and facial pain.Headache classification committee of the International Headache Society.Cephalalgia1988; 8 (Suppl).
3.
WetterbergL, ErikssonO, FribergY, VangboBA simplified radio-immuno-assay for melatonin and its application to biological fluids. Preliminary observations on the half-life of plasm melatonin in man.Clin Chim Acta1978; 86: 169–77.
4.
Wetterberg L Melatonin in humans.Physiological and clinical studies.J Neural Transm1978; (Suppl 13) 289–310.
5.
WaldenlindE., EkbomK, FribergY, SaafJ, WetterbergLDecreased nocturnal serum melatonin levels during active cluster headache periods.Opuscula Medica1984; 29: 109–112.
6.
ChazotG, ClaustratB, BrunJ, JordanD, SassolasG, SchottBA chronobiological study of melatonin, cortisol, growth hormone and prolactin secretion in cluster headache.Cephalalgia1984; 4: 213–20.