1	MeSH descriptor: [Prostatic Hyperplasia] explode all trees
2	(prostat* near/3 hyperplasia*):ti,ab,kw
3	(prostat* near/3 hypertroph*):ti,ab,kw
4	(prostat* near/3 adenoma*):ti,ab,kw
5	(BPH or BPO or BPE):ti,ab,kw
6	(prostat* near/3 enlarg*):ti,ab,kw
7	MeSH descriptor: [Prostatism] explode all trees
8	prostatism:ti,ab,kw
9	MeSH descriptor: [Urinary Bladder Neck Obstruction] explode all trees
10	("bladder outlet obstruction" or BOO):ti,ab,kw
11	#1 or #2 or #3 or #4 or #5 or #6 or #7 or #8 or #9 or #10
12	("Prostatic urethral lift" or urolift):ti,ab,kw
13	#11 and #12