@article{articledf8c7c4d, title = {Genetic variants in PTGS1 and NOS3 genes increase the risk of upper gastrointestinal bleeding: a case–control study}, author = {Forgerini, Marcela and Urbano, Gustavo and Nadai, Tales Rubens de and Batah, Sabrina Setembre and Fabro, Alexandre Todorovic and Mastroianni, Patrícia de Carvalho}, year = {2021}, doi = {10.3389/fphar.2021.671835}, journal = {Frontiers in Pharmacology} }