Britt D, Kubin M, Keininger D, Trudeau E, Sagnier P, Fugl-Meyer A. Development and validation of the treatment satisfaction scale (TSS) for erectile dysfunction. Pharmacotherapy. 2003 Jun;23(10):132.
Doughty N, McKenna SP, Meads D, Doward LC, Pepke-Zaba J. Interim validation studies of new quality of life (QOL) and health-related quality of life (HRQL) measures specific to pulmonary arterial hypertension (PAH). Thorax. 2003;58(S3):84.