#	Query	Results
S28	S9 AND S26 AND S27	82
S27	S10 OR S11 OR S12 OR S13 OR S14	645
S26	S15 OR S16 OR S17 OR S18 OR S19 OR S20 OR S21 OR S22 OR S23 OR S24 OR S25	990,143
S25	TX allocat* random*	4,464
S24	(MH "Quantitative Studies")	13,814
S23	(MH "Placebos")	9,427
S22	TX placebo*	34,772
S21	TX random* allocat*	4,464
S20	(MH "Random Assignment")	39,802
S19	TX randomi* control* trial*	93,467
S18	TX ( (singl* n1 blind*) or (singl* n1 mask*) ) or TX ( (doubl* n1 blind*) or (doubl* n1 mask*) ) or TX ( (tripl* n1 blind*) or (tripl* n1 mask*) ) or TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	789,912
S17	TX clinic* n1 trial*	175,948
S16	PT Clinical trial	78,685
S15	(MH "Clinical Trials+")	192,364
S14	TX 17 beta hydroxy	5
S13	TX (boltin or livial)	18
S12	TX 17 alpha	338
S11	TX 17 hydroxy*	281
S10	TX (tibilone or tibolone)	153
S9	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8	23,371
S8	TX climacteri*	1,799
S7	TX (postmenopaus* or perimenopaus*)	14,679
S6	TX menopaus*	12,192
S5	TX hot flash*	2,163
S4	TX hot flush*	484
S3	TX vasomotor	1,147
S2	(MM "Postmenopause")	3,604
S1	(MM "Climacteric") OR (MM "Perimenopause") OR (MM "Perimenopausal Symptoms") OR (MM "Menopause+") OR (MM "Hot Flashes")	9,562