Petrovskii, Boris Vasil'evich,  1908- <br/><br/>
Public health in the USSR / 
Boris Vasil'evich, Petrovskii. 
 - Moscow :  Novosti Press,  1967. 
 - 79 p. ;  17 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hygiene, Public--Russia
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Russia--Hygiene, Public