@article{PaakkariPaakkariVonhofetal.1993,
  author    = {P. Paakkari and I. Paakkari and S. Vonhof and G. Feuerstein and Anna-Leena Sir{\´e}n},
  title     = {Dermorphin analog Tyr-D-Arg\(^2\)-Phe-sarcosine-induces opioid analgesia and respiratory stimulation - the role of Mu\(_1\)- receptors?},
  year      = {1993},
}