title: [20th anniversary of the Scientific Historical and Medical Society of the Latvian SSR].
mesh_terms: D049673:History, 20th Century; D007844:Latvia; D012955:Societies, Medical / Q000266:history*
vernacular_title: 20-letie Nauchnogo istoriko-meditsinskogo obshchestva Latviĭskoĭ SS.