source	studies
Blood	32
Cultured cells	14
Liver	12
Lung	9
Eye tissue	7
Muscle	7
Brain	7
Adipose tissue	6
Heart	5
Macrophages	5
Feces	3
Unspecified	3
LNCaP cells	2
Hep G2 cells	2
Kidney	2
Ventricles	2
Intestine	2
Bone	1
Hippocampus	1
Jejunum	1
Bacterial cells	1
Atria	1
Lymphoma cells	1
Aortic valve tissue	1
Mitochondria	1
Amniotic fluid	1
Optic nerve	1
Ovarian cancer cells	1
Pancreas	1
Placenta	1