title: Systematic review of lithium augmentation in depression resistant to at least 2 antidepressants.
authors.affiliation: Department of Addiction Psychiatry, Maindiff Hospital, Gwent Health Care NHS, Abergavenny, Wales ; and Department of Psychiatry, Coventry and Warwickshire Partnership Trust, Leamington Spa , United Kingdom.
authors.forename: Anand
authors.initials: A
authors.lastname: Jayaraman
authors.forename: Harpal
authors.initials: H
authors.lastname: Nandhra