PT - JOURNAL ARTICLE AU - John D Salamone AU - Merce Correa AU - Susana M Mingote AU - Suzanne M Weber TI - NUCLEUS ACCUMBENS DOPAMINE AND THE REGULATION OF EFFORT IN FOOD-SEEKING BEHAVIOR: IMPLICATIONS FOR STUDIES OF NATURAL MOTIVATION, PSYCHIATRY, AND DRUG ABUSE AID - 10.1124/jpet.102.035063 DP - 2003 Jan 21 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2003/01/21/jpet.102.035063.short 4100 - http://jpet.aspetjournals.org/content/early/2003/01/21/jpet.102.035063.full