#	Query	Results
S33	S20 AND S32	37
S32	S21 OR S22 OR S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29 OR S30 OR S31	1,053,818
S31	TX allocat* random*	5,059
S30	(MH "Quantitative Studies")	14,585
S29	(MH "Placebos")	9,730
S28	TX placebo*	38,559
S27	TX random* allocat*	5,059
S26	(MH "Random Assignment")	41,063
S25	TX randomi* control* trial*	105,940
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*) )	835,812
S23	TX clinic* n1 trial*	186,430
S22	PT Clinical trial	79,707
S21	(MH "Clinical Trials+")	198,930
S20	S11 AND S19	94
S19	S12 OR S13 OR S14 OR S15 OR S16 OR S17 OR S18	4,335
S18	TX embryo* N3 transfer*	913
S17	TX ovar* N3 hyperstimulat*	381
S16	TX ovari* N3 stimulat*	300
S15	TX IVF or TX ICSI	1,559
S14	(MM "Fertilization in Vitro")	1,611
S13	TX vitro fertilization	3,319
S12	TX vitro fertilisation	3,319
S11	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10	1,349
S10	TX LH supplement*	7
S9	TX recombinant LH	6
S8	TX recombinant human LH	3
S7	TX (recLH or rhlh)	1
S6	TX (r‐hlh or r‐LH)	3
S5	TX pergonal	3
S4	TX lutropin	7
S3	TX luteini?ing hormone	1,307
S2	TX (rLH or rec LH)	37
S1	(MM "Luteinizing Hormone")	164