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(2019).

<a href="http://datacompass.lshtm.ac.uk/cgi/users/home?screen=EPrint::View&amp;eprintid=1279"><xhtml:em xmlns:xhtml="http://www.w3.org/1999/xhtml">Clinical Codelist - Asthma Dagnostic - Read Codes.</xhtml:em></a>

[Data Collection].


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


    <a href="https://doi.org/10.17037/DATA.00001279" target="_blank">https://doi.org/10.17037/DATA.00001279</a>.