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 Level 2
 
 C - Cardiovascular systemC02 - Antihypertensives
 
 C02A - Antiadrenergic agents, centrally actingC02B - Antiadrenergic agents, ganglion-blockingC02C - Antiadrenergic agents, peripherally actingC02D - Arteriolar smooth muscle, agents acting onC02K - Other antihypertensivesC02L - Antihypertensives and diuretics in combinationC02N - Combinations of antihypertensives in ATC-GR. C02
 
 
 
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