@misc{indiciae14d829f60f95, title = {Sildenafil and endothelial dysfunction in humans.}, author = {Garrett J Gross}, year = {2005}, doi = {10.1161/01.cir.0000156407.59837.c1}, url = {https://pubmed.ncbi.nlm.nih.gov/15710774/}, note = {Source identifier: 15710774} }