[Occupational hygiene and occupational pathology in the Estonian S.S.R].
Kh A
KhA
Kakhn
D004957:Estonia; D006302:Health Services Research / Q000458:organization & administration; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D009787:Occupational Medicine / Q000639:trends*
Gigiena truda i profpatologiia v Estonskoĭ SSR.