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An economic analysis of tobacco elimination policies in Turkey.
Arslanhan S, Caner A, Helvacioglu K, Saglam I, Teksoz T. Arslanhan S, et al. Among authors: helvacioglu k. Health Policy. 2012 Jul;106(2):149-60. doi: 10.1016/j.healthpol.2012.03.004. Epub 2012 Apr 1. Health Policy. 2012. PMID: 22473246
Indirect costs of adult pneumococcal disease and the productivity-based rate of return to the 13-valent pneumococcal conjugate vaccine for adults in Turkey.
Sevilla JP, Stawasz A, Burnes D, Agarwal A, Hacibedel B, Helvacioglu K, Sato R, Bloom DE. Sevilla JP, et al. Among authors: helvacioglu k. Hum Vaccin Immunother. 2020 Aug 2;16(8):1923-1936. doi: 10.1080/21645515.2019.1708668. Epub 2020 Jan 29. Hum Vaccin Immunother. 2020. PMID: 31995443 Free PMC article.
Quality of life, disease activity and preferences for administration routes in rheumatoid arthritis: a multicentre, prospective, observational study.
Direskeneli H, Karadag O, Ates A, Tufan A, Inanc N, Koca SS, Cetin GY, Akar S, Cinar M, Yilmaz S, Yilmaz N, Dalkilic E, Bes C, Yilmazer B, Sahin A, Ersözlü D, Tezcan ME, Sen N, Keser G, Kalyoncu U, Armagan B, Hacibedel B, Helvacioglu K, Cesur TY, Basibuyuk CS, Alkan S, Gunay LM. Direskeneli H, et al. Among authors: helvacioglu k. Rheumatol Adv Pract. 2022 Sep 2;6(3):rkac071. doi: 10.1093/rap/rkac071. eCollection 2022. Rheumatol Adv Pract. 2022. PMID: 36133962 Free PMC article.
Evaluation of disease burden, patient journey, unmet diagnosis and treatment needs of patients with HIP and knee osteoarthritis in Turkey: A study through Delphi Methodology.
Çay HF, Akıncı A, Altan L, Ataman Ş, Aydoğdu S, Dıraçoğlu D, Genç H, Hepgüler S, Ketenci A, Öneş K, Uyar M, Gümrü S, Hacıbedel B, Helvacıoğlu K, Ölmez A, Tuncer T. Çay HF, et al. Among authors: helvacioglu k. Osteoarthr Cartil Open. 2022 Dec 24;5(1):100332. doi: 10.1016/j.ocarto.2022.100332. eCollection 2023 Mar. Osteoarthr Cartil Open. 2022. PMID: 36605849 Free PMC article.