@article{FehrholzChristianPKunzmann2014,
  author    = {Markus Fehrholz and Speer Christian P. and Steffen Kunzmann},
  title     = {Caffeine and Rolipram Affect Smad Signalling and TGFβ1 Stimulated CTGF and Transgelin Expression in Lung Epithelial Cells},
  journal   = {PLoS One},
  volume    = {9},
  number    = {5},
  doi       = {10.1371/journal.pone.0097357},
  year      = {2014},
}