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Lindal, E
4
Stefansson, J G
4
Bjornsson, J K
3
Hauser, W A
3
Olafsson, E
3
Benediktsdóttir, Bryndís
2
Björnsson, Einar S
2
Gudmundsson, G
2
Gudnason, Vilmundur
2
Hrafnkelsson, J
2
Janson, Christer
2
Sigfusson, N
2
Sigfusson, Nikulas
2
Sigvaldason, Helgi
2
Thorgeirsson, Gudmundur
2
Agnarsson, B A
1
Agnarsson, Uggi
1
Andersen, Karl Konráð
1
Arason, Gudmundur J
1
Arnadottir, Ragna S
1
Arnar, Davíð O
1
Arnarsson, Arsaell
1
Arngrimsson, R
1
Asmundsdottir, Lena Ros
1
Aspelund, G
1
Aspelund, T
1
Baldursson, G
1
Benediktsdottir, K R
1
Bergmann, Ottar M
1
Bjornsson, A
1
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Female
31
Male
Middle Aged
Sex Factors
Humans
29
Iceland
28
Aged
19
Adult
18
Age Factors
13
Prevalence
11
Adolescent
9
Cohort Studies
7
Incidence
7
80 and over
6
Child
4
Mental Disorders
4
Preschool
4
Retrospective Studies
4
Smoking
4
Young Adult
4
Alcohol Drinking
3
Cross-Sectional Studies
3
Follow-Up Studies
3
Infant
3
Obstructive
3
Prognosis
3
Prospective Studies
3
Risk Factors
3
Sleep Apnea
3
Suicide
3
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