Medicine & Life Sciences

1. Adenosine 100%
2. Morphine 61%
3. Spinal Cord 60%
4. Amitriptyline 52%
5. Baclofen 51%
6. Neuralgia 42%
7. Formaldehyde 36%
8. Analgesics 35%
9. Caffeine 35%
10. Norepinephrine 34%
11. Serotonin 33%
12. Adenosine A1 Receptors 31%
13. Adenosine Kinase 30%
14. Capsaicin 29%
15. Pain Measurement 28%
16. Analgesia 26%
17. Pain 25%
18. Nociception 23%
19. Ketamine 22%
20. Qigong 21%
21. Synaptosomes 21%
22. 5,7-Dihydroxytryptamine 20%
23. Hyperalgesia 20%
24. Substance P 19%
25. Oxidopamine 18%
26. Adenosine Deaminase Inhibitors 17%
27. Adenosine-5'-(N-ethylcarboxamide) 17%
28. 5'-amino-5'-deoxyadenosine 17%
29. methylxanthine 15%
30. Purinergic P1 Receptors 15%
31. Pentostatin 14%
32. Clonidine 13%
33. Fibromyalgia 13%
34. Acetylcholine 12%
35. Methionine Enkephalin 12%
36. Edema 12%
37. Neurotoxins 12%
38. Opioid Receptors 11%
39. Phentolamine 11%
40. Theophylline 11%
41. Spinal Injections 10%
42. Pharmacology 10%
43. Serotonin Receptors 10%
44. Desipramine 10%
45. Injections 9%
46. Opioid Analgesics 9%
47. Purinergic P2X3 Receptors 9%
48. Tail 9%
49. Phosphodiesterase Inhibitors 9%
50. Adenosine Triphosphate 8%