[Use of sildenafil in children with pulmonary arterial hypertension].
He
Cui-Yao
CY
D002648:Child; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use*; D010879:Piperazines / Q000008:administration & dosage / Q000627:therapeutic use*; D011687:Purines / Q000008:administration & dosage / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000008:administration & dosage / Q000627:therapeutic use*
D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate