#	Query	Results
S34	S18 AND S32	8
S33	S18 AND S32	72
S32	S19 OR S20 or S21 or S22 OR S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29 OR S30 OR S31	880,148
S31	TX allocat* random*	3,851
S30	(MH "Quantitative Studies")	11,743
S29	(MH "Placebos")	8,683
S28	TX placebo*	31,261
S27	TX random* allocat*	3,851
S26	(MH "Random Assignment")	36,901
S25	TX randomi* control* trial*	70,671
S24	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*) )	707,698
S23	TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	103
S22	TX ( (trebl* n1 blind*) or (trebl* n1 mask*) )	0
S21	TX clinic* n1 trial*	161,901
S20	PT Clinical trial	75,662
S19	(MH "Clinical Trials+")	172,920
S18	S7 AND S17	288
S17	S8 OR S9 OR S10 OR S11 OR S12 OR S13 OR S14 OR S15 OR S16	200,933
S16	TX eat*	32,854
S15	(MH "Food Intake+")	5,373
S14	TX drink*	28,560
S13	TX feed*	47,112
S12	TX "food"	98,420
S11	TX "oral intake"	645
S10	TX "fasting"	10,669
S9	TX "nil by mouth"	62
S8	TX fluids	5,646
S7	S1 OR S2 OR S3 OR S4 OR S5 OR S6	9,613
S6	TX Hysterectomy	4,816
S5	TX Oophorectomy	1,898
S4	TX gyn?ecolog* surg*	432
S3	(MM "Oophorectomy")	590
S2	(MH "Hysterectomy+")	3,860
S1	(MH "Surgery, Gynecologic+")	8,310