PT - JOURNAL ARTICLE AU - S. Stevens Negus AU - Todd W. Vanderah AU - Michael R. Brandt AU - Edward J. Bilsky AU - Lino Becerra AU - David Borsook TI - Preclinical Assessment of Candidate Analgesic Drugs: Recent Advances and Future Challenges AID - 10.1124/jpet.106.106377 DP - 2006 Jun 02 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2006/06/02/jpet.106.106377.short 4100 - http://jpet.aspetjournals.org/content/early/2006/06/02/jpet.106.106377.full