BibTex format
@article{Hauck:1998,
author = {Hauck, K and Helberger, C},
journal = {Sozialer Fortschritt},
pages = {139--143},
title = {Erprobungsmodelle zur Effizienzsteigerung im deutschen Gesundheitswesen - Das BKK Praxisnetz in Berlin [Do Integrated Practice Networks increase efficiency of the German health system? A casestudy of the BKK Praxisnetz in Berlin]},
volume = {6},
year = {1998}
}