Open Access Macedonian Journal of Medical Sciences, Vol 5, Iss 7, Pp 978-982 (2017) Open Access Macedonian Journal of Medical Sciences Open Access Macedonian Journal of Medical Sciences; Vol 5, No 7 (2017): Dec 15 (OAMJMS); 978-982 Open Access Macedonian Journal of Medical Sciences; Vol 5 No 7 (2017): Dec 15 (OAMJMS); 978-982