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Many countries are turning to cash incentives to encourage people to look after their health. Richard Cookson (doi: 10.1136/bmj.a589) argues that such schemes can save money in the long run, but Jennie Popay believes the problems need a deeper solution
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Stored only when both papers are in the corpus — 66 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.