TY - GEN AU - Paterson,Neil E AU - Markou,Athina TI - Increased motivation for self-administered cocaine after escalated cocaine intake SN - 0959-4965 PY - 2004///0525 KW - Animals KW - Behavior, Addictive KW - psychology KW - Cocaine KW - administration & dosage KW - Dose-Response Relationship, Drug KW - Male KW - Motivation KW - Rats KW - Rats, Wistar KW - Self Administration KW - methods N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1097/00001756-200312020-00019 ER -