1. Hunskaar S, Arnold EP, Burgio K, Diokno AC, Herzog AR, Mallett VT. Epidemiology and natural history of urinary incontinence (UI). In: Abrams P, Khoury S, Wein A, editors. Incontinence. Plymouth: Plymbridge Distributors Ltd., 1999. p. 197–226.
2. The overactive bladder;Bulmer;Rev. Contemp. Pharmacother.,2000
3. How wide-spread are the symptoms of an overactive bladder and how are they managed? A population-based prevalence study;Milsom;BJU Int.,2001
4. Socio-economic burden of urinary incontinence with focus on overactive bladder and tolterodine treatment;Luscombe;Rev. Contemp. Pharmacother.,2000
5. Muscarinic receptor antagonists in the treatment of overactive bladder;Chapple;Urology,2000