Authors
Narcis Copca
“St. Maria” Clinical Hospital and The Bucharest University of Economic Studies, Bucharest, Romania
Constanta Mihaescu-Pintia
National School of Public Health, Management and Professional Development Bucharest, Bucharest, Romania
© 2017 Narcis Copca, Constanta Mihaescu-Pintia, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.