A summary of progress in experiments on the cyclical transmission of drug-resistant strains of trypanosomes /    
by A.R. Gray and C.J. Robe rts. 
 - Lagos :   [s.n],   1968. 
 - 9 p. ;    32 cm. 
<br/><br/>  OAU/STRC -PMB 2359, Lagos-Nigeria. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tsetse-flies ----Africa, Sub-Saharan ----Congresses.<br/>Trypanosomiasis ----Africa, Sub-Saharan ----Congresses.