[Problems of the prevention of chronic internal diseases].
El'shteĭn
N V
NV
D002908:Chronic Disease; D004957:Estonia; D006801:Humans; D007388:Internal Medicine / Q000639:trends*; D008403:Mass Screening / Q000458:organization & administration*; D011322:Primary Prevention / Q000639:trends*
Voprosy profilaktiki khronicheskikh terapevticheskikh zabolevaniĭ.