Dr. q8.1..9.7 <br/><br/>
U.K. MEDLARS information retrieval service :  a handbook for users. 

 - 2nd ed. 
 - Boston Spa, England :  National Lending Library for Science & Technology,  [1966] 
<br/><br/>Bibliography: p. 59. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abstracting.<br/>Information storage and retrieval systems -- Medicine.--Information storage and retrieval systems -- Medicine.<br/>Subject headings.<br/>MEDLARS.