exposure to mercury (hg) as a heavy metal can cause health effects. the objective of this study was to assess occupational exposure to hg in a chlor-alkali petrochemical industry in iran by determining of hg concentrations in air, blood and urine samples.the study was performed on 50 exposed subjects and 50 unexposed controls. air samples were collected in the breathing zone of exposed subjects...

Background: Measuring metabolic parameters in the blood has been an indispensable tool for assessing productive and health status of dairy cows more than 100 years. The values laboratory depend on various preanalytical, analytical postanalytical factors. most important preanalytical factors are sample transport time temperature, hemolysis, anticoagulant type, volume.Preanalytical can lead to re...