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Treatment algorithm for pediatric IPAH/HPAH as recommended by the 6th WSPH Pediatric Task Force. ERA, endothelin receptor antagonist; PDE5, phosphodiesterase 5; i.v., intravenous; s.c, subcutaneous. Adapted, with permission, from Rosenzweig EB, et al., 2019 (506). © 2019, The European Respiratory Society.
