The purpose of the study was to assess work-related diseases of blood circulation among workers occupationally exposed to noise in mineral extraction. Material and methods. Working conditions. health status of 1481 workers of leading occupations of oil and ore minerals extraction along with the assessment of cardio-vascular system functional state according to electrocardiography. https://mysocialfeeder.com/story4381201/phenotypic-characterization-of-leishmania-spp-causing-cutaneous-leishmaniasis-in-the-lower-amazon-region-western-par%C3%A1-state-brazil-reveals-a-putative-hybrid-parasite-leishmania-viannia-guyanensis-leishmania-viannia-shawi-shawi