![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
According to the article " The impact of the 1918 Spanish flu epidemic on economic performance in Sweden: an investigation into t he consequences of an extraordinary mortality shock. ", the concept of "poorhouse" is indexed by the MeSH term . 【 single choice 】