[Calcium, phosphorus, copper, creatinine and ceruloplasmin content in the blood of workers in contact with carbon disulfide].

Workers in a plant for artificial fiber production, exposed to carbon bisulphide in concentrations approximating or exceeding the threshold ones, comprise the study group. Iodine-azide test (IAT) was used for evaluation of carbon bisulphide exposure. The serum calcium, phosphorus, copper and creatinine content and ceruloplasmin activity were determined. There was considerable decrease of the mean serum calcium content in exposed workers. The serum copper content and ceruloplasmin activity tended to be slightly reduced. Phosphorus and creatinine levels showed no statistically significant differences from those in a control group of workers.