S38	S31 and S35 and S37
S37	S1 or S2 or S3 or S4 or S5 or S6 or S7 or S8 or S9 or S10 or S11 or S12 or S13 or S14 or S15 or S16 or S17 or S18 or S19 or S20 or S21 or S36
S36	TI ( singl* N25 blind* OR singl* N25 mask* OR doubl* N25 blind* or doubl* N25 mask* OR trebl* N25 blind* OR trebl* N25 mask*OR tripl* N25 blind* OR tripl* N25 mask* ) or AB ( singl* N25 blind* OR singl* N25 mask* OR doubl* N25 blind* or doubl* N25 mask* OR trebl* N25 blind* OR trebl* N25 mask*OR tripl* N25 blind* OR tripl* N25 mask* )
S35	(S32 or S33 or S34)
S34	TI postprostat* OR AB postprostat*
S33	TI post‐prostat* OR AB post‐prostat*
S32	(MH "Prostatectomy")
S31	(S22 or S23 or S24 or S25 or S26 or S27 or S28 or S29 or S30)
S30	AB overactive N3 bladder*
S29	TI overactive N3 bladder*
S28	AB urin* N3 leak*
S27	TI urin* N3 leak*
S26	AB incontinen* OR continen*
S25	TI incontinen* OR continen*
S24	(MH "Incontinence")
S23	(MH "Overactive Bladder")
S22	(MH "Urinary Incontinence+")
S21	(MH "Comparative Studies")
S20	(MH "Clinical Research+")
S19	(MH "Static Group Comparison")
S18	(MH "Quantitative Studies")
S17	(MH "Crossover Design") or (MH "Solomon Four‐Group Design")
S16	(MH "Factorial Design")
S15	(MH "Community Trials")
S14	(MH "Random Sample")
S13	TI balance* N2 block* or AB balance* N2 block*
S12	TI "latin square" or AB "latin square"
S11	TI factorial or AB factorial
S10	TI clin* N25 trial* or AB clin* N25 trial*
S9	(MH "Study Design")
S8	(AB random*) OR (TI random*)
S7	(AB placebo*) OR (TI placebo*)
S6	(MH "Placebos")
S5	(PT Clinical Trial) OR (PT "randomized controlled trial")
S4	(MH "Clinical Trials+")
S3	MH (random assignment) OR (crossover design)
S2	cross‐over
S1	crossover