Hudeckova Henrieta, Jesenak Milos, Maria Avdicova, Svihrova Viera, Banovcin Peter
Institute of Public Health, Comenius University in Bratislava, Jessenius School of Medicine, Martin, Slovak Republic.
Public Health Rep. 2010 Jan-Feb;125(1):129-36. doi: 10.1177/003335491012500117.