Table 1

They found diagnostic yield with bronchus sign to be 79% and without to be 31% Poor Schwarz et al, 2006 Overall diagnostic yield = 69% (9/13) 7 men, 8 women; ages 26-8, nodule size from 1.5-5 cm none reported up to 48 hours Authors believe this first study demonstrates potential efficacy and safety Poor Wilson et al, 200732 Overall diagnostic ... ................
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