Kelley's textbook of rheumatology / 
 Textbook of rheumatology 
Gary S. Firestein ... [et al.]. 
 - 9th ed. 
 - Philadelphia, PA :  Elsevier/Saunders,  [2013]- 
 - v. <1   > : xxxi, 1970 p:  col. ill. ;  29 cm