Pladevall M, Riera Guardia N, Margulis AV, Varas-Lorenzo C, Calingaert B, Perez-Gutthann S. Cardiovascular risk associated with the use of glitazones, metformin and sufonylureas: meta-analysis of published observational studies. BMC Cardiovasc Disord. 2016 Jan 15;16(1):14. doi: 10.1186/s12872-016-0187-5
Margulis AV, Pladevall M, Riera-Guardia N, Varas-Lorenzo C, Hazell L, Berkman ND, Viswanathan M, Perez-Gutthann S. Quality assessment of observational studies in a drug-safety systematic review, comparison of two tools: the Newcastle-Ottawa Scale and the RTI item bank. Clin Epidemiol. 2014 Oct 10;6:359-68. doi: 10.2147/CLEP.S66677
Varas-Lorenzo C, Margulis AV, Pladevall M, Riera-Guardia N, Calingaert B, Hazell L, Romio S, Perez-Gutthann S. The risk of heart failure associated with the use of noninsulin blood glucose-lowering drugs: systematic review and meta-analysis of published observational studies. BMC Cardiovasc Disord. 2014 Sep 26;14(1):129. doi: 10.1186/1471-2261-14-129
Riera Guardia N, Margulis AV, Pladevall-Vila M, Varas-Lorenzo C, Perez-Gutthann S. Methods issues in observational studies of the cardiovascular risk associated with glucose-lowering medications: results of a systematic review and evaluation. Poster presented at the 29th International Conference on Pharmacoepidemiology & Therapeutic Risk Management; October 7, 2013. [abstract] Pharmacoepidemiol Drug Saf. 22(Suppl 1):S80-81.
Margulis AV, Pladevall-Vila M, Riera Guardia N, Varas-Lorenzo C, Hazell L, Perez-Gutthann S. Quality assessment of observational studies in a drug-safety systematic review, comparison of two tools: the Newcastele-Ottawa Scale and the RTI Item Bank. Poster presented at the 29th International Conference on Pharmacoepidemiology and Therapeutic Risk Management; August 2013.
Riera Guardia N, Rothenbacher D. The effect of thiazolidinediones on adiponectin serum level: a meta-analysis. Diabetes Obes Metab. 2008 May;10(5):367-75.