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      "statement": "# Barker and Osmond: infant mortality and adult ischaemic heart disease\n\nReported a geographical association in England and Wales between early twentieth-century infant mortality and later adult ischaemic-heart-disease mortality.\n\n## Scientific scope\n\nThe record is the exact two-author 1986 Lancet ecological study. It does not establish individual-level causation, absorb the whole developmental-origins programme or exclude later-life confounding and alternative mechanisms.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nDavid J. P. Barker; Clive Osmond\n\nThe named authors contributed to this scoped work; individual effort shares and later applications are not assigned by the byline.\n\n\n\n## Original sources\n\n- [Lancet DOI for infant mortality and ischaemic heart disease](https://doi.org/10.1016/S0140-6736(86)91340-1)\n- [PubMed record for Barker-Osmond study](https://pubmed.ncbi.nlm.nih.gov/2871345/)\n",
      "summary": "Reported a geographical association in England and Wales between early twentieth-century infant mortality and later adult ischaemic-heart-disease mortality.",
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