[Prevention, occurrence, and diagnosis of rickets in a rural area].
D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D012279:Rickets / Q000453:epidemiology / Q000517:prevention & control*; D012423:Rural Health; D014807:Vitamin D / Q000627:therapeutic use
D014807:Vitamin D
Profylaxe, výskyt a diagnostika krivice na venkovském obvodĕ.