@article{MuthGensichenBeyeretal.2009,
  author    = {Christiane Muth and Jochen Gensichen and Martin Beyer and Allen Hutchinson and Ferdinand M. Gerlach},
  title     = {The systematic guideline review : method, rationale, and test on chronic heart failure},
  journal   = {BMC health services research},
  volume    = {9},
  number    = {74},
  pages     = {1 -- 15},
  doi       = {10.1186/1472-6963-9-74},
  year      = {2009},
}