Comment on

• The progression of fenfluramine-associated valvular heart disease assessed by echocardiography.

  Mast ST, Jollis JG, Ryan T, Anstrom KJ, Crary JL. Mast ST, et al. Ann Intern Med. 2001 Feb 20;134(4):261-6. doi: 10.7326/0003-4819-134-4-200102200-00008. Ann Intern Med. 2001. PMID: 11182835
• Natural history of valvular regurgitation 1 year after discontinuation of dexfenfluramine therapy. A randomized, double-blind, placebo-controlled trial.

  Weissman NJ, Panza JA, Tighe JF, Gwynne JT. Weissman NJ, et al. Ann Intern Med. 2001 Feb 20;134(4):267-73. doi: 10.7326/0003-4819-134-4-200102200-00009. Ann Intern Med. 2001. PMID: 11182836 Clinical Trial.