Kretschmer, Herman L. <br/><br/>
Pyelitis of pregnancy /  
Herman L. Kretschmer. 
 - Chicago :   American Medical Association,   [1923] 
 - 15 p. :   il. ;   20 cm. 
<br/><br/> Reprinted from The Journal of the American Medical Association, nov, 10, 1923, Vol. 81, pp. 1585-1589.