#	Query	Results
S28	S15 AND S27	13
S27	S16 OR S17 OR S18 OR S19 OR S20 OR S21 OR S22 OR S23 OR S24 OR S25 OR S26	954,451
S26	TX allocat* random*	4,243
S25	(MH "Quantitative Studies")	13,282
S24	(MH "Placebos")	9,173
S23	TX placebo*	33,620
S22	TX random* allocat*	4,243
S21	(MH "Random Assignment")	38,985
S20	TX randomi* control* trial*	85,907
S19	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*) )	763,614
S18	TX clinic* n1 trial*	170,899
S17	PT Clinical trial	77,668
S16	(MH "Clinical Trials+")	186,062
S15	S7 AND S14	18
S14	S8 OR S9 OR S10 OR S11 OR S12 OR S13	1,216
S13	TX rHCG	6
S12	TX uHCG	1
S11	TX HCG	740
S10	TX Human chorionic gonadotropin	578
S9	TX Human chorionic gonadotrophin	170
S8	(MM "Gonadotropins, Chorionic")	498
S7	S1 OR S2 OR S3 OR S4 OR S5 OR S6	175
S6	TX (oocyte* N3 prim*)	7
S5	TX (oocyte* N3 activat*)	11
S4	TX (oocyte* N3 maturation)	64
S3	TX (in vivo N3 matur*)	26
S2	TX IVM	38
S1	TX in vitro maturation	95