Dalal AA, Shaw MB, D'Souza AO, Lunacsek OE, Nagar SP, Crater GD. Observational study of the outcomes and costs of initiating maintenance therapies in patients with moderate exacerbations of COPD. Resp Res. 2012 May;31(13):41.
Smit LA, Kogevinas M, Anto JM, Bouzigon E, Gonzalez JR, Le Moual N, Kromhout H, Carsin AE, Pin I, Jarvis D, Vermeulen R, Janson C, Heinrich J, Gut I, Lathrop M, Valverde MA, Demenais F, Kauffmann F. Transient receptor potential genes, smoking, occupational exposures and cough in adults. Resp Res. 2012 Mar 23;13(1):26. doi: 10.1186/1465-9921-13-26
Akashi-Ronquest N, Carrillo P, Dembling B, Stern S. Measuring the biases in self-reported disability status: evidence from aggregate data. Appl Econ Lett. 2011 Feb 23;18(11):1053-60. doi: 10.1080/13504851.2010.524603
Rousu M, Kosa K. Allowing options in experimental auctions. Appl Econ Lett. 2005;12(13):817-21. doi: 10.1080/13504850500193059