Newhouse, Joseph P. <br/><br/>
The economics of group practice / 
Joseph P. Newhousa. 
 - California :  Rand Corporation,  1971. 
 - 27 pages ;  28 cm. 
 - The Rand paper series ;  p.4478-2 .
 - Rand paper series ;  p.4478-2 .
<br/><br/>Bibliography: p. 238-239.