Medicine & Life Sciences

1. Spinal Cord 100%
2. Opioid Analgesics 96%
3. Morphine 77%
4. Analgesics 77%
5. Substance P 70%
6. Hyperalgesia 68%
7. Opioid Receptors 65%
8. Agmatine 60%
9. Analgesia 45%
10. Adrenergic Receptors 43%
11. Nociception 43%
12. Pain 38%
13. Spinal Injections 37%
14. Tail 37%
15. Clonidine 35%
16. moxonidine 34%
17. N-Methylaspartate 34%
18. Adrenergic Agonists 32%
19. Dynorphins 32%
20. Neurons 32%
21. Neuralgia 29%
22. Nociceptors 26%
23. oxymorphindole 26%
24. N-Methyl-D-Aspartate Receptors 23%
25. Chronic Pain 22%
26. Adrenergic alpha-2 Receptors 22%
27. 2-imidazoline 21%
28. Adrenergic Agents 21%
29. Aspartic Acid 20%
30. Posterior Horn Cells 19%
31. Peripheral Nervous System Neoplasms 19%
32. delta Opioid Receptor 18%
33. Excitatory Amino Acids 18%
34. Nitric Oxide 18%
35. mu Opioid Receptor 17%
36. Naloxone 17%
37. Ala(2)-deltorphin II 17%
38. Spinal Puncture 17%
39. Rodentia 16%
40. Glutamate Receptors 16%
41. Spinal Cord Dorsal Horn 15%
42. Loperamide 15%
43. Serotonin 15%
44. Spinal Cord Injuries 14%
45. Central Nervous System 13%
46. Psychological Inhibition 13%
47. Injections 13%
48. Neoplasms 12%
49. Enkephalins 12%