@article{TietzKlein2019,
  author    = {Tietz, Katharina and Klein, Sandra},
  title     = {In Vitro Methods for Evaluating Drug Release of Vaginal Ring Formulations—A Critical Review},
  journal   = {Pharmaceutics},
  volume    = {11},
  number    = {10},
  issn      = {1999-4923},
  doi       = {10.3390/pharmaceutics11100538},
  institution = {Institut f{\"u}r Pharmazie},
  year      = {2019},
  subject      = {-},
  language  = {en}
}