Willcox, R. R. <br/><br/>
Treponema pallidum : A bibliographical review of the morphology, culture and survival of T. pallidum and associated organisms / 

 - Geneva:  World Health Organization,  1966 
 - 169 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Treponema pallidum