1.Aydın H., Özgen F.: Effects of imipramine on REM: paradoxical or paralel?. The Journal of European College of Neuropsychopharmacology 2(3): 389-391, 1992.
2.Dündar A., Özünlü A., Şahan M., Özgen F., Lingual tonsil hypertrophy producing obstructive sleep apnea, Laryngoscope, Vol. 106 No:9 Part 1: September 1996, 1167-1169.
3.Görür D, Halıcı U, Aydın H, Ongun G, Özgen F, Leblebiçioğlu K.: Sleep spindles detection using short time Fourier transform and neural networks. Proc. IJCNN 2002, Hawai, USA, p.1631-1636, 2002.
4.Yetkin S, Aydın H, Özgen F, Sütcigil L, Bozkurt A. [Sleep architecture in schizophrenia patients].Turk Psikiyatri Derg 22(1):1-9 (2011).
5.Celik C, Erdem M, Cayci T, Ozdemir B, Akgul EO, Kurt YG, Yaman H, Isintas M, Ozgen F, Ozsahin A. The association between serum levels of neopterin and number of depressive episodes of major depression. Progress in Neuro-Psychopharmacology & Biological Psychiatry 34:372–375 (2010).
6.Yetkin S, Aydin H, Ozgen F. Polysomnography in patients with post-traumatic stress disorder. Psychiatry and Clinical Neurosciences 64(3): 309-317 (2010).
7. Erdem M, Doruk A, Ozgen F. Thrombocyte serotonin level in premenstrual dysphoric disorder. Bulletin of Clinical Psychopharmacology 19(4):396-401 (2009).
8.Tosun F, Kemikli K, Yetkin S, Ozgen F, Durmaz A, Gerek M. Impact of endoscopic sinus surgery on sleep quality in patients with chronic nasal obstruction due to nasal polyposis. J Craniofac Surg 20(2):446-9 (2009).
9.Bozkurt MK, Öy A, Aydın D, Bilen SH, Ertürk AÖ, Levent Saydam L, Özgen F. Genler differences in polysomnographic findings in Turkish patients with obstructive sleep apnea syndrome. Eur Arch Otorhinolaryngol 265:821-824 (2008).
10.M Erdem, C Çelik, S Yetkin, F Özgen. Yaygın anksiyete bozukluğunda öfke düzeyi ve öfke ifade tarzı. Anadolu Psikiyatri Dergisi 9(4):203-207 (2008).
11.Bozkurt M, Oy F, Aydın D, Bilen S, Ertürk I, Saydam L, Özgen F. Gender differences in
12.polysomnographic findings in Turkish patients with obstructive sleep apnea syndrome. Eur Arch Otorhinolaryngol 8 (2007).
13. Kutukcu Y, Dogruer E, Yetkin S, Ozgen F, Vural O, Aydin H. Evaluation of periodic leg movements and associated transcranial magnetic stimulation parameters in restless legs syndrome. Muscle Nevre 33: 133-137 (2006).
14.Özgen F., Gülçat Z., Yılmaz U.R., Kahraman K., Battal S.: Psychological and psychosocial factors in coronary heart disease. XXIX. İnternational Congress of Military Medicine’da sunulmuş bildiri. 1993.
15.Dündar A., Gerek M., Özkaptan Y., Özgen F., Önder T., Surgical results of obstructive sleep apnea. Proceedings of The XV. World Congress of ORL, Head & Neck Surgery: 925-928, 1993.
16.Tan K., Özgen F., Ceyhun E., Kalyon T., Arpacıoğlu O., Objective and subjective evaluation of sleeping impatients with rheumatoid arthritis, 3rd Congress of Balkan Military Medical Committee’de sunulmuş bildiri. Greece, 1998.
17.Aydın H, Özgen F.: The effect of imipramine on depression. XXI. CINP Congress, Glaskow, 12-16 July, 1998, p.270.
18.Bozkurt A., Saygılarlı İ., Aydın H., Ceyhun E., Özgen F. : Antidepressive effect and side effects of Tianeptine on depressive patients. XXI CINP Congres, Glaskow, 12-16 July. 1998 p. 268.
19.Aydın H., Bozkurt A., Ceyhun E., Saygılarlı İ., Özgen F. : Antidepressive effect and side effects of Amitriptyline on depressive patients. XXI CINP Congres, Glaskow, 12-16 July. 1998 p. 268.
20.Bozkurt A., Aydın H., Özgen F., Psychopathology in male sexual dysfunction, 4th Congress of Balkan Military Medical Committee’de sunulmuş bildiri. Greece, 1999.
21.Bozkurt A., Aydın H., Özgen F., Psychopathology in male organic sexual dysfunction, 4th Congress of Balkan Military Medical Committee’de sunulmuş bildiri. Greece, 1999.
22.Seçkin Ü., Bodur H., Özgen F., Borman P., Uzun Ö., The psychiatric symptoms and sleep disorders in patients with chronic rheumatic pain: The comparative evaluation of patients with rheumatoid arthritis, ankylosing spondylitis, fibromyalgia and degenerative osteoarthritis, Annual European Congress of Rheumatology, Nice, 2000.
23.Yetkin S, Doruk A, Özgen F, Aydın H, Gülçat Z.: Is there a specific sleep pattern for posttraumatic stress disorder? 15th European Sleep Congress, İstanbul, 2000, (poster) p. 212.
24.Ceyhun E, Özgen F, Aydın H, Gülçat Z.: The effects of amineptine on sleep architecture in major depression. 15th European Sleep Congress, İstanbul, 2000, (poster) p. 9.
25.Özgen F, Aydın H, Gülçat Z., Sleep pattern in major depressives, 15th European Sleep Congress, İstanbul, 2000, (poster)
26.Aydın H, Özgen F, Ceyhun E., Öztürk E., Sleep study and SPECT findings in Kleine-Levin Syndrome, 15th European Sleep Congress, İstanbul, 2000, (poster)
27.Özgen F, Aydın H: A study on the sleep pattern and symptomatology of narcolepsy, 29. International Congress of Military Medicine, 18-25 September, 1993, Istanbul, p. 214.
28.Bozkurt A, Gülsün M, Özgen F, Aydın H: The symptom prevalance and sociodemographic figures of male patients who had apllied to sexual dysfunction unit of Gülhane Military Medical Academy Department of Psychiatry: A retrospective study. Presented at 3rd International Symposium Biological Viewpoints in Psychiatry; Children Adolescents and Adults, Bursa / Turkey, September 05-08, 2002.
29.Özgen F, Sütçigil L, Karadağ H, Bozkurt A, Aydın H: A research on the psychiatric disorderss in insomnia ethiology. Presented at 3rd International Symposium Biological Viewpoints in Psychiatry; Children Adolescents and Adults, Bursa/Turkey, September 05 – 08, 2002.
30.Sütçigil L, Karadağ H, Özgen F, Demir A, Bozkurt A, Aydın H: The sleep pattern of parasomniac patients. Presented at 3rd International Symposium Biological Viewpoints in Psychiatry; Children Adolescents and Adults, Bursa/Turkey, September 05 – 08, 2002.
31.Yavaş İ., Özgen F., Yılmaz U.R., Aybaş P., Aydın H.: Drug therapy in a case of tardive dystonia. XXIX. İnternational Congress of Military Medicine’da sunulmuş bildiri. 1993.
