1.
Cassidy and Petty'sTextbook of Pediatric Rheumatology
by Petty, Ross E., Lindsley, C...
ISBN: 9780323241458
List Price: $219.99
2.
Textbook of Pediatric Rheumatology
by Petty, Ross E., Laxer, Rona...
ISBN: 9780323636520
List Price: $229.99