Journal of the Royal Society of Medicine
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To investigate whether the h index (a bibliometric tool which is increasingly used to assess and appraise an individual's research performance) could be improved to better measure the academic performance and citation profile for individual healthcare researchers. ⋯ This study supports the construct validity of the h index as a measure of healthcare researcher academic rank. It also identifies the assessment value of our developed indices of h(2) upper, h(2) centre, h(2) lower and sRM. These can be applied in combination with the h index to provide additional objective evidence to appraise the performance and impact of an academic healthcare researcher.