Walker, Eric,  1943- <br/><br/>
ABC of healthy travel / 
by Eric Walker and Glyn Williams 
 - London :  BMJ Publishing Group,  1983 
 - 39 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>0727902253 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable diseases control--Collected works<br/>Immunization--Collected works<br/>Travel--Collected works