Norquist JM, Girman C, Fehnel S, Demuro-Mercon C, Santanello N. Choice of recall period for patient-reported outcome (PRO) measures: criteria for consideration. Qual Life Res. 2012 Aug 1;21(6):1016-20.
Deal LS, Williams VSL, DiBenedetti DB, Fehnel SE. Development and psychometric evaluation of the endometriosis treatment satisfaction questionnaire. Qual Life Res. 2010 Aug 1;19(6):899-905.
McKenna SP, Whalley D, Renck-Hooper U, Carlin S, Doward LC. The development of a quality of life instrument for use with post-menopausal women with urogenital atrophy in the UK and Sweden. Qual Life Res. 1999 Aug;8(5):393-8.