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Complex medical intervention does not imply effectiveness: contrasting results of two recent multi-country intervention trials WHO immediate kangaroo mother care and HELIX therapeutic hypothermia

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  • Contributors AK and AKC conceptualised the write up. AK and AKC wrote the first draft together and revised it. Both of them agree to the final version.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; externally peer reviewed.

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