Shi, Leiyu. <br/><br/>
Essentials of the U.S. health care system / 
 Essentials of the United States health care system 
Leiyu Shi, Douglas A. Singh. 
 - 2nd ed. 
 - Sudbury, Mass. :  Jones and Bartlett Publishers,  c2010. 
 - xxiii, 360 p. :  ill. ;  23 cm.