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
Davis KL, Joshi AV, Tortella BJ, Candrilli SD. The direct economic burden of blunt and penetrating trauma in a managed care population. J Trauma. 2007 Mar 30;62(3):622-30.