1. Volume 121, Issue 3, Pages 739-746 (March 2002)
4-Year Follow-up of Treatment With Dental Appliance or Uvulopalatopharyngoplasty in Patients With Obstructive Sleep Apnea 
Walker-Engström Marie-Louise , Tegelberg Åke , DDS, PhD, Wilhelmsson Bo , MD, PhD, Ringqvist Ivar , MD 
CHEST 
Volume 121, Issue 3, Pages (March 2002)
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Copyright © 2002 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Trial profile.
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Copyright © 2002 The American College of Chest Physicians Terms and Conditions

3. Figure 2 The dental appliance used in this study.
CHEST  , DOI: ( /chest )
Copyright © 2002 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Individual AI values (n = 40) in the dental appliance group before intervention and at the 1-year and 4-year follow-ups.
CHEST  , DOI: ( /chest )
Copyright © 2002 The American College of Chest Physicians Terms and Conditions

5. Figure 4
Individual AI values (n = 32) in the UPPP group before intervention and at the 1-year and 4-year follow-ups.
CHEST  , DOI: ( /chest )
Copyright © 2002 The American College of Chest Physicians Terms and Conditions