Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6035710.17816/kazmj60357EditorialBilateral double kidneyKulaginG. M.info@eco-vector.com3003196849270700802202108022021Copyright © 1968, Kulagin G.M.1968<p>A., 35 years old, was admitted on 28 / II with a diagnosis of chronic pyelonephritis. Complains of constant back pain, frequent urination. The patient considers himself since 1957, when he suffered acute cystitis.</p>Kazan Medical archiveКазанский медицинский архив