Effectiveness and cost-effectiveness randomised controlled trial of basic versus biofeedback-mediated intensive pelvic floor muscle training for female stress or mixed urinary incontinence: protocol for the OPAL (optimising pelvic floor exercises to achieve long-term benefits) trial mixed methods longitudinal qualitative case study and process evaluation.
Aileen GrantSarah Gerard DeanJean Hay-SmithSuzanne HagenDoreen McClurgAnne TaylorMarija KovandzicCarol BuggePublished in: BMJ open (2019)
ISRCTN57746448.