title: Has the 6-min walk distance run its course?
authors.affiliation: Department of Medicine, Division of Cardiovascular Medicine, University of Michigan Health System, Ann Arbor, MI. Electronic address: vmclaugh@med.umich.edu.
authors.forename: Vallerie V
authors.initials: VV
authors.lastname: McLaughlin
mesh_terms: D000959:Antihypertensive Agents / Q000627:therapeutic use*; D000077300:Bosentan; D065128:Endothelin Receptor Antagonists; D011464:Epoprostenol / Q000031:analogs & derivatives* / Q000627:therapeutic use; D065627:Familial Primary Pulmonary Hypertension; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors / Q000627:therapeutic use*; D013449:Sulfonamides / Q000627:therapeutic use*
chemical_list: D000959:Antihypertensive Agents; D065128:Endothelin Receptor Antagonists; D058986:Phosphodiesterase 5 Inhibitors; D013449:Sulfonamides; D011464:Epoprostenol; D000077300:Bosentan; C427248:treprostinil