<p>Additional information:&nbsp;Hogan, D. R., Stevens, G. A., Hosseinpoor, A. R., &amp; Boerma, T. (2018). Monitoring universal health coverage within the Sustainable Development Goals: development and baseline data for an index of essential health services.&nbsp;<em>The Lancet Global Health</em>,&nbsp;<em>6</em>(2), e152-e168.</p>

<p>Available at:&nbsp;<a href="https://www.thelancet.com/journals/langlo/article/PIIS2214-109X(17)30472-2/fulltext">https://www.thelancet.com/journals/langlo/article/PIIS2214-109X(17)30472-2/fulltext</a></p>
