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The Different Faces of Insomnia.
Fietze I, Laharnar N, Koellner V, Penzel T. Fietze I, et al. Among authors: koellner v. Front Psychiatry. 2021 Jun 29;12:683943. doi: 10.3389/fpsyt.2021.683943. eCollection 2021. Front Psychiatry. 2021. PMID: 34267688 Free PMC article.
Outcome of a four-hour smoking cessation counselling workshop for medical students.
Purkabiri K, Steppacher V, Bernardy K, Karl N, Vedder V, Borgmann M, Rogausch A, Stammberger U, Bals R, Raupach T, Koellner V, Hamacher J. Purkabiri K, et al. Among authors: koellner v. Tob Induc Dis. 2016 Nov 25;14:37. doi: 10.1186/s12971-016-0103-x. eCollection 2016. Tob Induc Dis. 2016. PMID: 27924139 Free PMC article.
Mental symptoms in patients with cardiac symptoms and normal coronary arteries.
Christoph M, Christoph A, Dannemann S, Poitz D, Pfluecke C, Strasser RH, Wunderlich C, Koellner V, Ibrahim K. Christoph M, et al. Among authors: koellner v. Open Heart. 2014 Oct 7;1(1):e000093. doi: 10.1136/openhrt-2014-000093. eCollection 2014. Open Heart. 2014. PMID: 25436115 Free PMC article.