[Experience in the prevention of rickets in conditions of a rural medical district].
D002662:Child Health Services; D004872:Ergocalciferols / Q000627:therapeutic use*; D006801:Humans; D007223:Infant; D012279:Rickets / Q000517:prevention & control*; D012423:Rural Health; D014455:Ukraine
D004872:Ergocalciferols
Opyt profilaktiki rakhita v usloviiakh sel'skogo vrachebnogo uchastka.