Byrd, Oliver E.  <br/><br/>
Health Level Seven / 
Oliver E. Bryd , Elizabeth A. Nelson, Virgina D. Neilson  
 - 3rd ed. 
 - Toronto :  Laidlaw Brothers Publishers ;  c1970. 
 - 288p. ;  ill. col. :  24cm. 
<br/><br/> Includes : Glossary  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health 
<br/><br/><label>Dewey Class. No.: </label>610  / BYR