1Hughes JR, Gust SW, Skoog K, Keenan RM, Fenwick JW. Symptoms of
tobacco withdrawal. A replication and extension. Arch Gen Psychiatry.
1991 Jan;48(1):52–9. doi: 10.1001/archpsyc.1991.01810250054007. PMID:
1984762. (cravings, anxiety, poor concentration, increased appetite,
irritability and restlessness).Fagerström KO, Schneider NG, Lunell E.
Effectiveness of nicotine patch and nicotine gum as individual versus combined
treatments for tobacco withdrawal symptoms. Psychopharmacology (Berl).
1993;111(3):271–7. doi: 10.1007/BF02244941. PMID: 7870963. (cravings, poor
concentration, increased appetite, irritabilty) DSM-5 criteria (anxiety, poor
concentration, increased appetite, irritability, low mood, restlessness)
3Tonnesen P et al. Higher dosage nicotine patches increase one year
smoking cessation rates : results from the European CEASE trial. Eur Respir J
1999; 13: 238–246 Shiffman S. Effect of nicotine lozenges on affective smoking
withdrawal symptoms : secondary analysis of a randomised double-blind
placebo-controlled trial. Clinical Therapeutics 2008; 30(8): 1461–1475
Nicotine Addiction in Britain. A report of the Tobacco Advisory Group of the
Royal College of Physicians. 2000