Aguado J, Campbell A, Ascaso C, Navarro P, Garcia-Esteve L, Luciano JV. Examining the factor structure and discriminant validity of the 12-Item General Health Questionnaire (GHQ-12) among Spanish postpartum women. Assessment. 2012 Dec 19;19(4):517-25.
Loughlin J, Quinn S, Rivero E, Wong J, Huang J, Kralstein J. Tegaserod and the risk of cardiovascular ischemic events: an observational cohort study. J Cardiovasc Pharmacol. 2010 Jun;15(2):151-7.
Dubrey SW, Gnanasakthy A, Stein WK, Song JG, Hardman T, Hynd J, Noble MI. Enoximone in chronic stable angina: a double-blind placebo-controlled cross-over trial. J Cardiovasc Pharmacol. 1994 Apr;23(4):532-8.