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Indirectly , intubation can result in an enhanced capacity of tracheobronchial cells to bind gram - negative bacteria , an effect that favors airway colonization and pneumonia .
 Anatomy: tracheobronchial cells; Anatomy: airway
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: tracheobronchial cells; Anatomy: airway