Byrd, Oliver E. <br/><br/>
Health Level Seven  

 - Illinois :  Laidlaw Brothers Publishers ,  1970 
 - 288 p. :  ill ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine & health
<br/><br/><label>Dewey Class. No.: </label>614  / BYR