1. 1. WHO. International agency for research on cancer. GLOBACAN 2012: Estimated cancer incidence, mortality and prevalence worldwide in 2012. (accessed: 05.12.2018). Available from: http://www.globocan.iarc.fr/Default.aspx
2. 2. The Ministry of Health of Turkey 2014. The public health institute, the precidency cancer department of Turkey. (accessed: 05.12.2018. Available from: http://www.kanser.gov.tr/daire-faaliyetleri/kanser-istatistikleri
3. 3. Can G (editors). Evidence-based symptom management in oncology nursing. İstanbul, Turkey: Nobel Bookstores; 2007.p.13-243 (Turkish).
4. Significance of symptom clustering in palliative care of advanced cancer patients;Tsai;J Pain Symptom Manage,2010
5. 5. Aydiner A, Can G. Treatment and care in lung cancer. 1. 1st Edition. İstanbul, Turkey: Ipomet Publisher; 2010. p. 28-267 (Turkish).