00603nam a2200157 a 450000100100000000500170001000800410002702000150006804000250008308200160010811100710012424501620019526000360035730000280039370000240042100003642020200930075725.0120117s1987 xxu 000 0 spa d a0881672637 aDO-SdBNPbengcBNPHU axxxxbB814r2 aInternational Berzelius Symposiumn(7mod1985cGöteborg, Sweden)10aBrain reward systems and abuse /cSeventh International Berzelius Symposium ; sponsored by the Swedish Society of Medicine editors Jörge Engel ...[et al.]. aNew York :bReven Press,c1987. a197 p. :bil. ;c24 cm.1 aEngel, Jörgeeed.