| APH sig codes |
APH sig codes- 2007 edition |
Pharmacology |
2010-10-06 |
ptcbclass |
90 |
0 |
edit |
|
| stems and drug class |
USAN approved stems and drug classes |
Pharmacology |
2011-01-20 |
ptcbclass |
55 |
0 |
edit |
|
| drug class meaning |
classification definitions |
Pharmacology |
2011-01-25 |
ptcbclass |
17 |
0 |
edit |
|