Variations in the use of medical and surgical services by the medicare population / 
Mark R. Chassin ... [et al.] ; prepared for the Commonwealth Fund... [et al.] 
 - California :  Rand Corporation,  1986. 
 - 6 p. ;  28 cm. 
 - A Rand note ;  N-2678-CWF/HF/PMT/RWJ .
 - Rand note ;  N-2678-CWF/HF/PMT/RWJ. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicare care, Cost of