Study group on basic radiological systems :  report of the regiona l meeting - Harare, Zimbabwe / 
World Health Organisation. 
 - Brazzaville :  WHO ,  1986. 
 - Iv, 22p. :  ill ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiation.<br/>Diagnostic imaging.