source	studies
Blood	141
Cultured cells	83
Liver	41
Feces	26
Heart	22
Bacterial cells	20
Kidney	17
Lung	16
Brain	14
Muscle	11
CSF	10
Cerebrospinal fluid	10
Urine	10
Cecum	9
Unspecified	7
Eye tissue	6
Macrophages	6
Intestine	6
Plant	5
Yeast cells	5
Cells	5
Colon	4
Placenta	3
Plasmodium cells	3
Gastrocnemius	3
Hep G2 cells	3
Prostate	3
Hippocampus	3
Embryonic cells	3
Bacterial media	3