title: [Protection of mothers and infants during working class movement in Petersburg during the 1st Russian Revolution].
mesh_terms: D002662:Child Health Services / Q000266:history*; D049673:History, 20th Century; D008427:Maternal Health Services / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Voprosy okhrany materinstva i mladenchestva v rabochem dvizhenii Peterburga v gody pervoĭ russkoĭ revoliutsii.