Duplicate title to 
    


    <a href="https://datacompass.lshtm.ac.uk/view/creators/878c234edd36e44d9b050be8b0456f74.html" class="citation_browse_link"><span class="person_name">Davidson, J</span></a>
  

(2023).

<a href="https://datacompass.lshtm.ac.uk/cgi/users/home?screen=EPrint::View&amp;eprintid=3469"><xhtml:em xmlns:xhtml="http://www.w3.org/1999/xhtml">Clinical codelist - RA.</xhtml:em></a>

[Data Collection].


London School of Hygiene &amp; Tropical Medicine, London, United Kingdom.


    <a href="https://doi.org/10.17037/DATA.00003469" target="_blank">https://doi.org/10.17037/DATA.00003469</a>.