2M M,Pollack,T C,Cuerdon,P R,Getson.?Pediatric intensive care units:results of a national survey.[J].Critical care medicine,1993.21.4.
3Linda,Keele,Heather T,Keenan,Joan,Sheetz,Susan L,Bratton.Differences in characteristics of dying children who receive and do not receive palliative care..[J]Pediatrics,2013.132.1.