#	Terms	Items Found
1	HIV[MeSH Terms]	90,546
2	HIV Infections[MeSH Terms]	256,012
3	(HIV Infections[Title/Abstract] OR HIV?1*[Title/Abstract] OR HIV?2*[Title/Abstract] OR HIV infect*[Title/Abstract] OR human immuno?deficiency virus[Title/Abstract] OR human immune?deficiency virus[Title/Abstract])	159,768
4	(human immun*[Title/Abstract]) AND deficiency virus[Title/Abstract]	573
5	(acquired immuno?deficiency syndrome[Title/Abstract] OR AIDS[Title/Abstract] OR acquired immunedeficiency syndrome[ Title/Abstract] OR acquired immune deficiency[Title/Abstract])	138,790
6	(acquired immun*[Title/Abstract]) AND deficiency syndrome[Title/Abstract]	5,611
7	#1 OR #2 OR #3 OR #4 OR #5 OR #6	360,958
8	“economics, medical”[MeSH Terms]	13,981
9	(economics) OR economics[MeSH Terms]	702,821
10	“economic evaluation”	7,820
11	(((health care cost[MeSH Terms]) OR health care costs[MeSH Terms]) OR (costs and cost analysis[MeSH Terms])) OR costs[MeSH Terms]	209,467
12	“health care utilization”	5,644
13	“drug costs”[MeSH Terms]	14,208
14	(resource* [Title/Abstract] OR healthcare [Title/Abstract] OR service*[Title/Abstract])	766,056
15	(use*[Title/Abstract] OR utilis*[Title/Abstract] OR utilize*[Title/Abstract] OR consume*[Title/Abstract] OR consuming[Title/Abstract] OR consumption*[Title/Abstract])	1,650,819
16	(((“cost-benefit analysis”[MeSH Terms] OR cost effectiveness[Text Word]) OR cost-effectiveness[Title/Abstract] OR CEA[Title/Abstract]))	113,410
17	Cost[Title/Abstract] or costs[Title/Abstract] or costing [Title/Abstract]	440,869
18	cost utility*[Title/Abstract] OR cost benefit*[Title/Abstract] OR cost minimi*[Title/Abstract]	14,507
29	economic*[Title/Abstract] OR pharmacoeconomic*[Title/Abstract]	232,353
20	expenditure*[Title/Abstract] NOT energy[Title/Abstract]	24,556
21	value[Title/Abstract] AND money[Title/Abstract]	2,478
22	Budget* [Title/Abstract]	24,899
23	#8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22	3,145,374
24	((energy cost[Title/Abstract] OR oxygen cost[Title/Abstract]))	3,577
25	metabolic cost[Title/Abstract]	1,176
26	((energy expenditure[Title/Abstract] OR oxygen expenditure[Title/Abstract]))	21,616
27	#24 OR #25 OR #26	25,463
28	#23 NOT #27	3,135,155
29	#7 AND #28	74,419
30	((((((((case report) OR case study) OR letter) OR editorial) OR case reports[Publication Type]) OR letter[Publication Type]) OR editorial[Publication Type])	3,258,037
31	#29 NOT #30	70,484
32	“United States”[Title/Abstract] OR America[Title/Abstract] OR USA[Title/Abstract]	340,947
33	#31 AND #32	5,031
34	#33 Date: 2012-01-01 to present	1,365
35	#34 Language: English	1,351