Physician ratings of appropriate indications for six medical and surgical procedures / 
Rolla Edward Park .. [et al.], ; supported by the U.S. Department of Health and Human Services. 
 - California :  Rand Corporation.  1991 
 - 7 p. ;  28 cm 
 - A Rand note ;  N-3382-HHS .
 - A Rand note ;  N-3382-HHS .
<br/><br/><label>ISBN: </label> Hadiah