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Gillberg M, Kecklund G, Akerstedt T.Gillberg M, et al. Among authors: akerstedt t.Sleep. 1994 Apr;17(3):236-41. doi: 10.1093/sleep/17.3.236.Sleep. 1994.PMID: 7939123
Gillberg M, Akerstedt T.Gillberg M, et al. Among authors: akerstedt t.Physiol Behav. 1998 Jul;64(5):599-604. doi: 10.1016/s0031-9384(98)00063-8.Physiol Behav. 1998.PMID: 9817569Clinical Trial.
Torsvall L, Akerstedt T, Gillberg M.Torsvall L, et al. Among authors: akerstedt t.Scand J Work Environ Health. 1981 Sep;7(3):196-203. doi: 10.5271/sjweh.3112.Scand J Work Environ Health. 1981.PMID: 20120585Free article.
Gillberg M, Anderzén I, Akerstedt T.Gillberg M, et al. Among authors: akerstedt t.Electroencephalogr Clin Neurophysiol. 1991 Apr;78(4):267-73. doi: 10.1016/0013-4694(91)90180-c.Electroencephalogr Clin Neurophysiol. 1991.PMID: 1706247