United Cooperative of the Workers' and Peasants' Red Army (RKKA) Medical and Artillery Academies "Medartak". The cooperative brought together: the Military Medical Academy and the Artillery Academy, the Institute for the Protection of Motherhood and Infancy, the Clinical Military Hospital, the K. Marx Hospital, the K. Liebknecht Hospital, the 9th LSPO Bread Factory, and other organizations located within the cooperative's trading district.
"Medartak has introduced the sale of checkbooks for its members directly at the board office. For 4 rubles 75 kopecks, a member receives a checkbook worth 5 rubles."