Bayer AM, Danysh HE, Garvich M, Gonzalvez G, Checkley W, Alvarez M, Gilman RH. An unforgettable event: a qualitative study of the 1997-98 El Niño in northern Peru. Disasters. 2014 Apr;38(2):351-74. doi: 10.1111/disa.12046
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
Phillips C, White RP, Shugars DA, Zhou X. Risk factors associated with prolonged recovery and delayed healing after third molar surgery. J Oral Maxillofac Surg. 2003 Dec 1;61(12):1436-48.