1626
To determine whether choice of a first - versus third - generation cephalosporin as initial therapy for lower respiratory tract infections in hospitalized adults affects the course and duration of care , both of which may influence antimicrobial treatment cost .
 Anatomy: lower respiratory tract
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: lower respiratory tract