TY - GEN AU - Krishnan-Sarin,S AU - Rosen,M I AU - O'Malley,S S TI - Naloxone challenge in smokers. Preliminary evidence of an opioid component in nicotine dependence SN - 0003-990X PY - 1999///0722 KW - Adult KW - Behavior, Addictive KW - psychology KW - Endorphins KW - physiology KW - Humans KW - Hydrocortisone KW - blood KW - Male KW - Naloxone KW - pharmacology KW - Substance Withdrawal Syndrome KW - diagnosis KW - Tobacco Use Disorder N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1001/archpsyc.56.7.663 ER -