TY  - RPRT
TI  - Sildenafil and endothelial dysfunction in humans.
AU  - Garrett J Gross
PY  - 2005
DO  - 10.1161/01.cir.0000156407.59837.c1
UR  - https://pubmed.ncbi.nlm.nih.gov/15710774/
ID  - 15710774
ER  -