C - Cardiovascular System
Sub-classes
C01 - Cardiac therapy
5 sub-classes
C02 - Antihypertensives
5 sub-classes
C03 - Diuretics
6 sub-classes
C04 - Peripheral vasodilators
1 sub-classes
C05 - Vasoprotectives
3 sub-classes
C07 - Beta blocking agents
2 sub-classes
C08 - Calcium channel blockers
3 sub-classes
C09 - Agents acting on the renin-angiotensin system
4 sub-classes
C10 - Lipid modifying agents
2 sub-classes