Medicine & Life Sciences

1. Adenosine 100%
2. Serotonin 97%
3. Amitriptyline 96%
4. Norepinephrine 94%
5. Adenosine A1 Receptors 94%
6. Pain Measurement 94%
7. Formaldehyde 86%
8. Caffeine 78%
9. Morphine 74%
10. 5,7-Dihydroxytryptamine 61%
11. Arthralgia 59%
12. Spinal Cord 58%
13. Oxidopamine 54%
14. Adenosine-5'-(N-ethylcarboxamide) 53%
15. Pain 51%
16. Baclofen 50%
17. Capsaicin 46%
18. Edema 44%
19. Nociception 41%
20. Desipramine 39%
21. Neuralgia 38%
22. Inflammation 36%
23. Psychological Inhibition 35%
24. Analgesics 34%
25. Joints 34%
26. cyclohexyl carbamic acid 3'-carbamoylbiphenyl-3-yl ester 32%
27. Ketamine 32%
28. Neurotoxins 31%
29. PAR-2 Receptor 31%
30. Phentolamine 29%
31. Leukocyte Elastase 28%
32. Dextromethorphan 27%
33. Osteoarthritis 27%
34. Arthritis 26%
35. Serotonin Receptors 26%
36. Hyperalgesia 25%
37. Knee Joint 24%
38. 8-phenyltheophylline 24%
39. Analgesia 24%
40. CGS 12066B 23%
41. Adenosine A3 Receptor Agonists 22%
42. Injections 22%
43. Tail 22%
44. Intra-Articular Injections 22%
45. Clonidine 21%
46. N(6)-cyclopentyladenosine 21%
47. Acetaminophen 21%
48. 1,3-dipropyl-8-cyclopentylxanthine 20%
49. fatty-acid amide hydrolase 20%
50. Endocannabinoids 18%