Tuberculosis and Air Travel :  Guidelines for prevention and control : communicalble diseases cluster / 
SarahValway [et al.] ; WHO. 
 - Geneva :  World Health Organization,  1998. 
 - 46 p. ;  20 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tuberculosis--prevention and control