Kirkov, V [17-ketosteroids in the 24-hour urine of miners with vibration disease from local vibration exposure]. [electronic resource] - Problemi na khigienata 1975 - 101-6 p. digital Publication Type: English Abstract; Journal Article ISSN: 0323-9179 Subjects--Topical Terms: 17-Ketosteroids--urineAdultBulgariaCircadian RhythmHumansMaleMiningOccupational Diseases--urineVibration--adverse effects