[Organization of hygienic instruction for agricultural machinery operators].
D000382:Agricultural Workers' Diseases / Q000517:prevention & control; D000383:Agriculture / Q000295:instrumentation*; D006266:Health Education / Q000458:organization & administration*; D006801:Humans; D014586:USSR
Organizatsiia gigienicheskogo obucheniia mekhanizatorov sel'skogo khoziaĭstva.