| Nontobacco sources of cotinine in the urine of nonsmokers. | Clin Pharmacol Ther | 1995 Apr | 7712678 |
| The behavioral economics of concurrent drug reinforcers: a review and reanalysis of drug self-administration research. | Psychopharmacology (Berl) | 1995 Apr | 7617816 |
| Influence of 12-week nicotine treatment and dietary copper on blood pressure and indices of the antioxidant system in male spontaneous hypertensive rats. | Biol Trace Elem Res | 1994 Oct-Nov | 7888285 |
| Low ignition propensity cigarettes: smoke analysis for carcinogens and testing for mutagenic activity of the smoke particulate matter. | Food Chem Toxicol | 1994 Oct | 7959447 |
| A program to help major league baseball players quit using spit tobacco. | J Am Dent Assoc | 1994 May | 8195497 |
| FDA claims nicotine levels were manipulated. | Nature | 1994 Jun 30 | 8008051 |
| Nicotine: addiction and regulation. | J Natl Cancer Inst | 1994 Jun 15 | 8196084 |
| FDA trying to make case for tobacco regulation. | JAMA | 1994 Jun 1 | 8182829 |
| A proposal to develop meaningful labeling for cigarettes. | JAMA | 1994 Jul 27 | 8028146 |
| Smokeless tobacco. | J Fam Pract | 1994 Jan | 8289044 |