Gascon M, Cirach M, Martinez D, Dadvand P, Valentin A, Plasencia A, Nieuwenhuijsen MJ. Normalized difference vegetation index (NDVI) as a marker of surrounding greenness in epidemiological studies: the case of Barcelona city. Urban For Urban Green. 2016 Sep;19:88-94. doi: 10.1016/j.ufug.2016.07.001
Wilburn J, Crawford SR, McKenna SP, Twiss J, Ben-L'amri M, Kemp K, Campbell S. Assessing patient reported outcome in Crohn's disease. Poster presented at the 2012 Digestive Disorders Federation Meeting; June 2012. Liverpool. [abstract] Gut. 2012; 61(Suppl 2):391. doi: 10.1136/gutjnl-2012-302514d.229
Vakil N, McSorley DJ. Reflux symptoms after h. pylori treatment in duodenal ulcer. Poster presented at the British Society of Gastroenterology Diamond Jubilee Meeting; March 1997. [abstract] Gut. 1997 Jan; 40(Suppl 1):A128.
Brullet E, Campo R, Calvet X, Coroleu D, Rivero E, Simó Deu J. Factors related to the failure of endoscopic injection therapy for bleeding gastric ulcer. Gut. 1996 Aug;39(2):155-8. doi: 10.1136/gut.39.2.155