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In a genome - wide association study of acute bronchodilator response ( BDR ) to inhaled albuterol , 534 290 single - nucleotide polymorphisms ( SNPs ) were tested in 403 white trios from the Childhood Asthma Management Program using five statistical models to determine the most robust genetic associations .
 Chemical: albuterol; Chemical: nucleotide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: albuterol; Chemical: nucleotide