@article{ChenSassSeltmannetal.2000,
  author    = {WenChieh Chen and J{\"o}rn Oliver Sass and Holger Seltmann and Heinz Nau and Constantin E. Orfanos and Christos C. Zouboulis},
  title     = {Biological effects and metabolism of 9-cis-retinoic acid and its metabolite 9,13-di-cis-retinoic acid in HaCaT keratinocytes in vitro: comparison with all-trans-retinoic acid},
  series   = {Archives of Dermatological Research},
  volume    = {292},
  number    = {12},
  publisher = {Springer},
  issn      = {0340-3696},
  doi       = {10.1007/s004030000189},
  pages     = {612 -- 620},
  year      = {2000},
  language  = {en}
}