@article{KlotzKeilZimmeretal.1990,
  author    = {Karl-Norbert Klotz and R. Keil and F. J. Zimmer and U. Schwabe},
  title     = {Guanine nucleotide effects on 8-cyclopentyl-1,3-[\(^3\)H]dipropylxanthine binding to membrane-bound and solubilized A\(_1\) adenosine receptors of rat brain},
  year      = {1990},
}