Functional classification of pulmonary hypertension in children: Report from the PVRI pediatric taskforce, Panama 2011.
Lammers AE, Adatia I, Cerro MJ, Diaz G, Freudenthal AH, Freudenthal F, Harikrishnan S, Ivy D, Lopes AA, Raj JU, Sandoval J, Stenmark K, Haworth SG. Functional classification of pulmonary hypertension in children: Report from the PVRI pediatric taskforce, Panama 2011. Pulm Circ. 2011 Aug 02; 1(2):280-285.