Open Access Macedonian Journal of Medical Sciences; Vol. 3 No. 3 (2015): Sep 15 (OAMJMS); 423-425 Open Access Macedonian Journal of Medical Sciences, Vol 3, Iss 3, Pp 423-425 (2015) Open Access Macedonian Journal of Medical Sciences Open Access Macedonian Journal of Medical Sciences; Vol 3, No 3 (2015): Sep 15 (OAMJMS); 423-425