Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector8028910.17816/kazmj80289Research ArticleThe importance of local anesthesia in children in the general technique of biliary tract surgeryVishnevskyA. V.info@eco-vector.com1501193232157631609202116092021Copyright © 2021, Eco-Vector2021<p>"A physician who finds a remedy that combines the advantages of ether and chloroform, without having their disadvantages, will be the BEST laparotomist of his time."</p>Kazan Medical archiveКазанский медицинский архив