Medical and health annual,1991 / 
Ed. by E. Bernstein. 
 - Chicago :  Encyclopędia Britannica,  1990. 
 - 510 p. :  ill. ;  28 cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0-85229-527-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical sciences