ADP	Adenosine diphosphate
AU	Arbitrary units
AUC	Area under the curve
AU × min	Arbitrary units × min
BMI	Body mass index
CAD	Coronary artery disease
cGMP	Cyclic guanosine monophosphate
CRP	C-reactive protein
DMSO	Dimethyl sulfoxide
FACS	Fluorescence Activated Cell Sorting
G/L	Giga/liter
GP	Glycoprotein
HD	Hemodialysis
HIV	Human immunodeficiency virus
Ln	Natural logarithm
n	Absolute frequency
µl	Microliter
mM	Millimolar
mmol/L	Millimole/liter
µmol/L	Micromole/liter
NO	Nitric oxide
Nr.	Number
NY	New York
PDE5A	Phosphodiesterase 5A
r	Pearson’s Correlation coefficient
sGC	Soluble guanylate cyclase
SNP	Sodium nitroprusside
SPSS	Statistical Package for Social Sciences
vs.	Versus