@article{BonnSchmittAsan2011,
  author    = {Maria Bonn and Angelika Schmitt and Esther Asan},
  title     = {Double and triple in situ hybridization for coexpression studies: combined fluorescent and chromogenic detection of neuropeptide Y (NPY) and serotonin receptor subtype mRNAs expressed at different abundance levels},
  journal   = {Histochemistry and Cell Biology},
  volume    = {137},
  number    = {1},
  doi       = {10.1007/s00418-011-0882-3},
  year      = {2011},
}