Newhouse, Joseph P. <br/><br/>
The economics of group prsctice / 
Joseph P. Newhouse. 
 - California :  Ramd Corporation,  1972. 
 - 26 pages ;  28 cm. 
 - The Rand paper series ;  p.4478-1 .
 - Rand paper series ;  p.4478-1 .
<br/><br/>Bibliography: p. 25-26.