Free Identification of the Possible Negative Effect of the Brucite Drilling Reagent on the Employees Involved in the Wells Construction Tagirova K.B., Barakhnina V.B., Kireev I.R., Konnov Ya.A. DOI: 10.24000/0409-2961-2021-9-75-80 Year: 2021 Issue num: 9 more