EFFECTS OF 2, 3, 7, 8-TETRACHLORODIBENZO-P-DIOXIN TREATMENT ON METHIONINE-ENKEPHALIN IMMUNOREACTIVITY IN THE BRAIN OF THE LONG-EVANS RAT Publication Attachment: 02-351.pdf Authors: Cheng, Shi-Bin, Kuchiiwa, Satoshi, Kuchiiwa, Toshiko, Nakagawa, Shiro Year: 2002