INFLUENCE OF REGIONAL FACTORS ON EXPANSION OF RETAIL CHAINS IN THE RUSSIAN FEDERATION Article Balashova S., Zueva O. Applied Econometrics. Sinergia Press. Vol. 24. 2011. P. 71-84
SEVERITY OF OPIATE INTOXICATION TO GENDER AND AGE. Article Shigeev S. Soudní lékarství / casopis Sekce soudního lékarstvi Cs. lékarské spolecnosti J. Ev. Purkyne. Vol. 52. 2007. P. 21-24