Kretschmer, Herman L. <br/><br/>
Malignant tumors of the kidney in children /  
Herman L. Kretschmer. 
 - [S.l. :   s.n.,   1938?] 
 - 13 h. :   il. ;   26 cm. 
<br/><br/> Es separata de: The Journal of Urology, vol. 39, nº3, march, 1938, p. 250-275.