407
We have therefore evaluated the efficacy and safety of doxazosin , a new orally active selective alpha 1 blocker , in patients with systemic hypertension with concomitant airflow limitation .
 GENE: alpha 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: alpha 1