source	studies
Blood	254
Cultured cells	121
Liver	71
Feces	48
Muscle	47
Heart	38
Brain	36
Urine	34
Kidney	25
Macrophages	22
Lung	22
Cerebrospinal fluid	16
Bacterial cells	14
Cecum	13
Intestine	12
CSF	10
Eye tissue	9
Unspecified	8
Colon	7
Spleen	7
Cells	7
Bone marrow	7
Adipose tissue	7
Ovarian cancer cells	6
T-cells	6
Tumor cells	6
Hippocampus	5
Water	5
Fibroblast cells	5
Prostate	4