1	'randomized controlled trial'/de
2	'controlled clinical trial'/exp
3	'controlled study'/de
4	'double blind procedure'/de
5	'single blind procedure'/de
6	'crossover procedure'/de
7	'placebo'/de
8	'randomization'/de
9	random*:ti,ab
10	placebo$:ti,ab
11	allocat*:ti,ab
12	assign*:ti,ab
13	blind*:ti,ab
14	('cross‐over' OR crossover):ti,ab
15	(compare OR compared OR comparing OR comparison OR comparative):ti,ab
16	(controlled NEAR/7 (study OR design OR trial)):ti,ab
17	((singl* OR doubl* OR trebl* OR tripl*) NEAR/7 (blind* OR mask*)):ti,ab
18	trial:ti,ab
19	#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18
20	'animal'/exp OR 'invertebrate'/exp OR 'animal experiment'/de OR 'animal model'/de OR 'animal tissue'/de OR 'animal cell'/de OR 'nonhuman'/de
21	'human'/de OR 'normal human'/de OR 'human cell'/de
22	#20 AND #21
23	#20 NOT #22
24	#19 NOT #23
25	dorsalgia:ti,ab,kw
26	'back pain':ti,ab,kw
27	'backache'/exp
28	(lumb* NEAR/1 pain):ti,ab,kw
29	coccyx:ti,ab,kw
30	coccydynia:ti,ab,kw
31	sciatica:ti,ab,kw
32	'ischialgia'/exp
33	spondylosis:ti,ab,kw
34	lumbago:ti,ab,kw
35	'low back pain'/exp
36	'back disorder*':ti,ab,kw
37	#25 OR #26 OR #27 OR #28 OR #29 OR #30 OR #31 OR #32 OR #33 OR #34 OR #35 OR #36
38	'exercise'/exp
39	exercis*:ti,ab,kw
40	'kinesiotherapy'/exp
41	McKenzie:ti,ab,kw
42	'Alexander technique'/exp
43	Alexander:ti,ab,kw
44	William:ti,ab,kw
45	'Feldenkrais method'/exp
46	Feldenkrais:ti,ab,kw
47	'yoga'/exp
48	yoga:ti,ab,kw
49	'fitness'/exp
50	pilates'/exp
51	'pilates'/exp
52	'Tai Chi'/exp
53	('Tai Chi' or 'Tai Ji' or Taiji or Taijiquan):ti,ab,kw
54	#38 OR #39 OR #40 OR #41 OR #42 OR #43 OR #44 OR #45 OR #46 OR #47 OR #48 OR #49 OR #50 OR #51 OR #52 OR #53
55	'Alexander disease':ti,ab,kw OR 'Alexander disease'/exp
56	'williams beuren syndrome':ti,ab,kw OR 'williams beuren syndrome'/exp
57	#55 OR #56
58	#54 NOT #57
59	#24 AND #37 AND #58