For citations:
Aleksandrova N.V., Savina A.A., Nakonechnaya A.V., Levi D.T. Stability of the Industrial Reference Standard of Tuberculosis Vaccine (BCG). BIOpreparations. Prevention, Diagnosis, Treatment. 2020;20(3):187-192. (In Russ.) https://doi.org/10.30895/2221-996X-2020-20-3-187-192