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'Asking the Right Question'. A Comparison of Two Approaches to Gathering Data on 'Herbals' Use in Survey Based Studies
- James S. McLay,
- Abdul R. Pallivalappila,
- Ashalatha Shetty,
- Binita Pande,
- Moza Al Hail,
- Derek Stewart
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- Published: February 25, 2016
- https://doi.org/10.1371/journal.pone.0150140