[The aims of the sanitary epidemiological service in the control of rickettsial diseases during the years 1956-1960].
D006801:Humans; D012282:Rickettsia Infections / Q000517:prevention & control*
RICKETTSIAL DISEASES/prevention and control
Zadachi organov sanitarno-protivoepidemicheskoi sluzhby v bor'be s rikketsiozami v 1956-1960 gg.