Petrov, P P [Morbidity with temporary loss of work capacity in long-term and frequently ill state farm workers and its economic assessment]. [electronic resource] - Sovetskoe zdravookhranenie 1978 - 30-2 p. digital Publication Type: Journal Article ISSN: 0038-5239 Subjects--Topical Terms: AbsenteeismAgricultural Workers' Diseases--economicsChronic DiseaseHumansKazakhstan