Symmetrically dotted tympanic membranes by Christopher Seifen, Kai Helling

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Obstructive Sleep Apnea in Patients with Head and Neck Cancer—More than Just a Comorbidity? by Christopher Seifen, Tilman Huppertz, Christoph Matthias, Haralampos Gouveris

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Apports des corpus linguistiques : Étude de « aller » et « venir » en français et en thaï by Karl Seifen, Nichuta Bunkham (นิชุตา บุญขำ)

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Periodic limb movements in patients with suspected obstructive sleep apnea without comorbid conditions by Christopher Seifen, Moritz Herrmann, Johannes Pordzik, Christoph Matthias, Haralampos Gouveris

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Heart Rate Variability as a Surrogate Marker of Severe Chronic Coronary Syndrome in Patients with Obstructive Sleep Apnea by Christopher Seifen, Maria Zisiopoulou, Katharina Ludwig, Johannes Pordzik, Muthuraman Muthuraman, Haralampos Gouveris

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Difficulty Falling Asleep is Associated with Poorer Therapeutic Outcomes in Unilateral Hypoglossal Nerve Stimulation by Pordzik J, Petrowski K, Ludwig K, Seifen C, Matthias C, Gouveris H

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Waiting for in-Lab Polysomnography May Unnecessarily Prolong Treatment Start in Patients with Moderate or Severe OSA at Home Sleep Apnea Testing by Pordzik J, Seifen C, Ludwig K, Ruckes C, Huppertz T, Matthias C, Gouveris H

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Insomnia in Patients Undergoing Hypoglossal Nerve Stimulation Therapy for Obstructive Sleep Apnea by Johannes Pordzik, Katharina Ludwig, Christopher Seifen, Tilman Huppertz, Katharina Bahr-Hamm, Christoph Matthias, Haralampos Gouveris

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Serum Ferritin Levels in Severe Obstructive Sleep Apnea by Christopher Seifen, Johannes Pordzik, Tilman Huppertz, Berit Hackenberg, Cornelia Schupp, Christoph Matthias, Perikles Simon, Haralampos Gouveris

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Obstructive Sleep Apnea Disrupts Glycemic Control in Obese Individuals by Christopher Seifen, Johannes Pordzik, Katharina Ludwig, Katharina Bahr, Cornelia Schupp, Christoph Matthias, Perikles Simon, Haralampos Gouveris

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Patient Support in Obstructive Sleep Apnoea by a Large Language Model – ChatGPT 4o on Answering Frequently Asked Questions on First Line Positive Airway Pressure and Second L... by Pordzik J, Bahr-Hamm K, Huppertz T, Gouveris H, Seifen C, Blaikie A, Matthias C, Kuhn S, Eckrich J, Buhr CR

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Central Apneic Event Prevalence in REM and NREM Sleep in OSA Patients: A Retrospective, Exploratory Study by Katharina Ludwig, Sebastian Malatantis-Ewert, Tilman Huppertz, Katharina Bahr-Hamm, Christopher Seifen, Johannes Pordzik, Christoph Matthias, Perikles Simon, Haralampos Gouveris

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