PopulationsHumans1,187 participantsCross-sectional study

Association between combined occupational exposure to coal dust and noise and high-frequency hearing loss among workers: a cross-sectional study

Figure 1. Flow diagram of participant selection.
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Figure 1. Flow diagram of participant selection.Flow diagram of participant selection.Ma et al.

Frontiers in Public Health

The paper

Ma J, He Y, Meng J et al.

Frontiers in Public Health · 4 Sep 2026

doi.org/10.3389/fpubh.2026.1929586PubMed 42761509

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