Clinical features and perforin A91V gene analysis in So-JIA children with macrophage activation syndrome0003Zeng, HsChen, XyAuthor informationGuangzhou Children's Hospital, Guangzhou Women and Children's Medical Center, Guangzhou, Guangdong, ChinaInternational Journal of Rheumatic Diseases 13:p 59, July 2010.Copyright © 2010 John Wiley & Sons, Inc.