Fig. 1
From: Associations of exposure to polycyclic aromatic hydrocarbons with hearing in U.S. Adults

Flowchart of population included in final analysis (n = 658), NHANES, USA, 2015–2016.
From: Associations of exposure to polycyclic aromatic hydrocarbons with hearing in U.S. Adults
Flowchart of population included in final analysis (n = 658), NHANES, USA, 2015–2016.