No.	Query
#7	#3 AND #4 AND #5 AND [humans]/lim AND [EMBASE]/lim AND [1‐5‐2001]/sd NOT [18‐3‐2011]/sd
#6	#3 AND #4 AND #5
#5	'contact examination'/syn OR 'contact detection':ab,ti OR 'contact tracing':ab,ti OR 'partner notification':ab,ti OR 'partner notifications':ab,ti OR 'expedited partner':ab,ti OR 'patient delivered':ab,ti OR referral*:ab,ti OR 'partner tracing':ab,ti
#4	#1 OR #2
#3	random*:ti OR random*:ab OR factorial*:ti OR factorial*:ab OR cross?over*:ti OR cross?over*:ab OR crossover*:ti OR crossover*:ab OR placebo*:ti OR placebo*:ab OR (doubl*:ti AND blind*:ti) OR (doubl*:ab AND blind*:ab) OR (singl*:ti AND blind*:ti) OR (singl*:ab AND blind*:ab) OR assign*:ti OR assign*:ab OR allocat*:ti OR allocat*:ab OR volunteer*:ti OR volunteer*:ab OR 'crossover procedure'/exp OR 'crossover procedure'/de OR 'crossover procedure' OR 'double‐blind procedure'/exp OR 'double‐blind procedure'/de OR 'double‐blind procedure' OR 'single‐blind procedure'/exp OR 'single‐blind procedure'/de OR 'single‐blind procedure' OR 'randomized controlled trial'/exp OR 'randomized controlled trial'/de OR 'randomized controlled trial'
#2	'human immunodeficiency virus infection'/exp OR 'human immunodeficiency virus infection'/de OR 'human immunodeficiency virus infection' OR 'human immunodeficiency virus'/exp OR 'human immunodeficiency virus'/de OR 'human immunodeficiency virus' OR hiv:ti OR hiv:ab OR 'hiv‐1':ti OR 'hiv‐1':ab OR 'hiv‐2':ti OR 'hiv‐2':ab OR 'human immunodeficiency virus':ti OR 'human immunodeficiency virus':ab OR 'human immuno‐deficiency virus':ti OR 'human immuno‐deficiency virus':ab OR 'human immunedeficiency virus':ti OR 'human immunedeficiency virus':ab OR 'human immune‐deficiency virus':ti OR 'human immune‐deficiency virus':ab OR 'acquired immune‐deficiency syndrome':ti OR 'acquired immune‐deficiency syndrome':ab OR 'acquired immunedeficiency syndrome':ti OR 'acquired immunedeficiency syndrome':ab OR 'acquired immunodeficiency syndrome':ti OR 'acquired immunodeficiency syndrome':ab OR 'acquired immuno‐deficiency syndrome':ti OR 'acquired immuno‐deficiency syndrome':ab
#1	'sexually transmitted infections'/exp OR 'sexually transmitted infections, bacterial'/exp OR 'sexually transmitted infections, viral'/exp OR (sexually AND transmitted AND disease*:ti OR sexually AND transmitted AND disease*:ab) OR (sexually AND transmissible AND disease*:ti OR sexually AND transmissible AND disease*:ab) OR (sexually AND transmitted AND infection*:ti OR sexually AND transmitted AND infection*:ab) OR (sexually AND transmissible AND infection*:ti OR sexually AND transmissible AND infection*:ab) OR (sexually AND transmitted AND infectious AND disease*:ti OR sexually AND transmitted AND infectious AND disease*:ab) OR (sexually AND transmissible AND infectious AND disease*:ti OR sexually AND transmissible AND infectious AND disease*:ab) OR (sexually AND transmitted AND disorder*:ti OR sexually AND transmitted AND disorder*:ab) OR (sexually AND transmissible AND disorder*:ti OR sexually AND transmissible AND disorder*:ab) OR sti:ti OR sti:ab OR std:ti OR std:ab OR (genital AND ulcer*:ti OR genital AND ulcer*:ab) OR (genital AND 'ulcer'/exp AND disease*:ti OR genital AND 'ulcer'/exp AND disease*:ab) OR (ulcerative AND sexually AND transmitted*:ti OR ulcerative AND sexually AND transmitted*:ab) OR (genital AND infection*:ti OR genital AND infection*:ab) OR (genital AND disorder*:ti OR genital AND disorder*:ab) OR (venereal AND disease*:ti OR venereal AND disease*:ab) OR (venereal AND infection*:ti OR venereal AND infection*:ab) OR (venereal AND disorder*:ti OR venereal AND disorder*:ab) OR 'herpes simplex'/exp OR 'herpes genitalis'/exp OR ('herpes'/exp AND simplex:ti OR 'herpes'/exp AND simplex:ab) OR ('herpes'/exp AND genitalis:ti OR 'herpes'/exp AND genitalis:ab) OR (genital AND herpes:ti OR genital AND herpes:ab) OR ('herpes'/exp AND virus:ti OR 'herpes'/exp AND virus:ab) OR 'hsv 1':ti OR 'hsv 1':ab OR 'hsv 2':ti OR 'hsv 2':ab OR donovanosis:ti OR donovanosis:ab OR ('granuloma'/exp AND inguinale:ti OR 'granuloma'/exp AND inguinale:ab) OR ('calymmatobacterium'/exp AND granulomatis:ti OR 'calymmatobacterium'/exp AND granulomatis:ab) OR donovania:ti OR donovania:ab OR ('klebsiella'/exp AND granulomatis:ti OR 'klebsiella'/exp AND granulomatis:ab) OR 'syphilis'/exp OR syphilis:ti OR syphilis:ab OR syphillis:ab OR syphillis:ti OR ('treponema'/exp AND pallidum:ti OR 'treponema'/exp AND pallidum:ab) OR chancre:ti OR chancre:ab OR ('condylomata'/exp AND lata:ti OR 'condylomata'/exp AND lata:ab) OR chancroid:ti OR chancroid:ab OR ('haemophilus'/exp AND ducreyi:ti) OR (soft AND chancre:ti OR soft AND chancre:ab) OR 'chlamydia trachomatis'/exp OR 'lymphogranuloma venereum'/exp OR (lymphogranuloma AND venereum:ti OR lymphogranuloma AND venereum:ab) OR ('chlamydia'/exp AND trachomatis:ti OR 'chlamydia'/exp AND trachomatis:ab) OR ('chlamydia'/exp AND infections:ti OR 'chlamydia'/exp AND infections:ab) OR lgv:ti OR lgv:ab OR (vaginal AND ulcer*:ti OR vaginal AND ulcer*:ab) OR (anogenital AND ulcer*:ti OR anogenital AND ulcer*:ab) OR (anorectal AND ulcer*:ti OR anorectal AND ulcer*:ab) OR (penile AND ulcer*:ti OR penile AND ulcer*:ab) OR (genital AND wart*:ti OR genital AND wart*:ab) OR (venereal AND wart*:ti OR venereal AND wart*:ab) OR 'condyloma acuminatum'/exp OR 'human papillomavirus 6'/exp OR ('hpv 6':ti OR 'hpv 6':ab OR hpv6:ti OR hpv6:ab OR human AND papillomavirus:ti OR human AND papillomavirus:ab) OR 'hepatitis b'/exp OR 'hepatitis b':ti OR 'hepatitis b':ab OR 'gonorrhea'/exp OR gonorrhea*:ti OR gonorrhea*:ab OR gonorrhoea*:ti OR gonorrhoea*:ab