What changed
Formulated the inverse care law and linked service availability to need and market exposure.
Scientific scope
The record is Hart's sole-author 1971 Lancet article. It does not turn the relationship into a universal mathematical law, establish one causal mechanism for every health system or absorb later inequality research.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Hart's sole-author 1971 Lancet article. It does not turn the relationship into a universal mathematical law, establish one causal mechanism for every health system or absorb later inequality research.
Contributors
- Julian Tudor Hart · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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