Andronis L, Oppong RA, Manga N, Senanayake E, Gopal S, Charman S, Giri R, Luckraz H. Is the Venner-PneuX endotracheal tube system a cost-effective option for post cardiac surgery care? Ann Thorac Surg. 2018 Sep;106(3):757-63. doi: 10.1016/j.athoracsur.2018.03.058
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