| 1. | Frenchick, G.S., Havlichek, D.H. Primary Prevention and International travel ınfections, ımmunisations and antimıcrobial Prophyiaxis, J.Gen. ıntern. bMed. 4, 247, 1989. |
| 2. | Steffan, R. et al, Health Problems after travel in Developing Countries, J.İnfect.dis. 156, 84, 1987 |
| 3. | AMA Comission on Emergency Medical Services and Department of Transportati on Air Ambulanca Guideliness, 2.ed., OOT HS806, 703, NTS- 42,1986. |
| 4. | AMA Comission on Emergency Medical Services, Medical Aspects of Transportati on Aboard Commercial aircraft, JAMA, 247, 1007,1982 |
| 5. | Vos, M.W. Air Travel for the Chronically III and Elderly, Am Fam. Physician (Mach), 27, 235, 1983. |
| 6. | Schroeder, S.A. et al (ed), Current Medical Diagnosis and Treatment, Prentice Hail international Inc., Conneticutt, USA, 1989. |
| 7. | Bertan M., Güler Ç.: Halk Sağlığı Temel Bilgileri, Güneş Kitapevi 1995. |
| 8. | Passini, W. Tourist Health as a New Branch of Public Health, World Health Statistics Quartorly, 42, 2, 77-84, 1989. |
| 9. | Akbulut T., Sabuncu M.: Epidemiyoloji Prensip ve Uygulamaları Sistem Yayıncılık, İstanbul, 1993. |
| 10. | Turizm, Büyük Larousse, C.19., 11759-60, İstanbul, 1990. |
| 11. | Turizm: The Russian And East European Tourist Under Capitalism And Socialism Anne E. Gorsuch and Diane P. Koenker (Paperback - Nov 16, 2006). |
| 12. | DİE, Turizm İstatistikleri, 1988, Geçici Sonuçlar, Ankara, 1989. |
