Vol'finzon, Ia G [Experience in the study of economic loss due to morbidity in agricultural workers with loss in work time]. [electronic resource] - Zdravookhranenie Rossiiskoi Federatsii Nov 1970 - 15-7 p. digital Publication Type: Journal Article ISSN: 0044-197X Subjects--Topical Terms: AbsenteeismAgricultural Workers' DiseasesEconomicsHumansUSSR