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en.wikipedia.org
https://en.wikipedia.org/wiki/Cytokine
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Organic Keywords: 26,359,258
Organic Competitors: 968
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PPC Keywords: 20
PPC Competitors: 165
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2. |
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ncbi.nlm.nih.gov
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2785020/
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Organic Keywords: 2,176,430
Organic Competitors: 1,018
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PPC Keywords: 1
PPC Competitors: 7
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3. |
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news-medical.net
http://www.news-medical.net/health/What-are-Cytokines.aspx
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Organic Keywords: 56,941
Organic Competitors: 1,129
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PPC Keywords: 0
PPC Competitors: 0
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4. |
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sciencedirect.com
http://www.sciencedirect.com/science/journal/10434666
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Organic Keywords: 630,853
Organic Competitors: 1,023
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PPC Keywords: 2
PPC Competitors: 72
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5. |
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sinobiological.com
http://www.sinobiological.com/What-Is-Cytokine-Cytokine-Definition-a-5796.html
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Organic Keywords: 2,937
Organic Competitors: 0
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PPC Keywords: 222
PPC Competitors: 508
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6. |
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journals.elsevier.com
https://www.journals.elsevier.com/cytokine
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Organic Keywords: 62,477
Organic Competitors: 0
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PPC Keywords: 0
PPC Competitors: 0
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7. |
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medicinenet.com
http://www.medicinenet.com/script/main/art.asp?articlekey=11937
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Organic Keywords: 481,311
Organic Competitors: 722
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PPC Keywords: 0
PPC Competitors: 0
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8. |
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study.com
http://study.com/academy/lesson/what-are-cytokines-definition-types-function.html
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Organic Keywords: 486,940
Organic Competitors: 900
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PPC Keywords: 1,413
PPC Competitors: 0
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9. |
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www2.nau.edu
http://www2.nau.edu/~fpm/immunology/lectures/Chapter012.pdf
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Organic Keywords: 2,617
Organic Competitors: 763
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PPC Keywords: 0
PPC Competitors: 0
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10. |
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nature.com
http://www.nature.com/icb/journal/v85/n4/full/7100062a.html
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Organic Keywords: 327,395
Organic Competitors: 1,048
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PPC Keywords: 49
PPC Competitors: 3,069
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