Combination therapy for pulmonary arterial hypertension: still more questions than answers.
Hoeper
M M
MM
Dinh-Xuan
A T
AT
D004359:Drug Therapy, Combination; D065128:Endothelin Receptor Antagonists; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use*; D011453:Prostaglandins / Q000627:therapeutic use*
D065128:Endothelin Receptor Antagonists; D010726:Phosphodiesterase Inhibitors; D011453:Prostaglandins