@phdthesis{Herffs2002, author = {Herffs, Harro}, title = {Der Abrechnungsbetrug des Vertragsarztes}, publisher = {Springer}, address = {Berlin, Heidelberg}, isbn = {3-540-42711-2}, issn = {1431-1151}, doi = {10.1007/978-3-642-59401-4}, pages = {247 S.}, year = {2002}, language = {de} }