DeWire SM, Yamashita DS, Rominger DH, Liu G, Cowan CL, Graczyk TM, et al. (March 2013). "A G protein-biased ligand at the μ-opioid receptor is potently analgesic with reduced gastrointestinal and respiratory dysfunction compared with morphine". The Journal of Pharmacology and Experimental Therapeutics. 344 (3): 708–717. doi:10.1124/jpet.112.201616. PMID23300227. S2CID8785003.
DeWire SM, Yamashita DS, Rominger DH, Liu G, Cowan CL, Graczyk TM, et al. (March 2013). "A G protein-biased ligand at the μ-opioid receptor is potently analgesic with reduced gastrointestinal and respiratory dysfunction compared with morphine". The Journal of Pharmacology and Experimental Therapeutics. 344 (3): 708–717. doi:10.1124/jpet.112.201616. PMID23300227. S2CID8785003.
DeWire SM, Yamashita DS, Rominger DH, Liu G, Cowan CL, Graczyk TM, et al. (March 2013). "A G protein-biased ligand at the μ-opioid receptor is potently analgesic with reduced gastrointestinal and respiratory dysfunction compared with morphine". The Journal of Pharmacology and Experimental Therapeutics. 344 (3): 708–717. doi:10.1124/jpet.112.201616. PMID23300227. S2CID8785003.