MEDLINE
1.	MH “Long Term Adverse Effects”
2.	adverse event*
3.	adverse reaction*
4.	adverse effect*
5.	side effect*
6.	TI harm* or AB harm*
7.	(increas* n2 pain*) or (incident* n2 pain*)
8.	hematoma*
9.	sprain* or strain*
10.	(disc n2 herniat*) or (disk* n2 herniat*)
11.	(disc n2 bulg*) or (disk* n2 bulg*)
12.	thrombophil* or thrombosis* or hypercoag*
13.	dissection*
14.	stroke*
15.	fractur*
16.	MH Chiropractic
17.	MH Manipulation, Spinal
18.	MH Musculoskeletal Manipulations
19.	MH Manipulation, Chiropractic
20.	chiroprac*
21.	spinal* n2 manip*
22.	spinal* n2 adjust*
23.	musculoskeletal n2 manip*
24.	musculoskeletal* n2 adjust*
25.	manual n2 therap*
26.	manual* n2 adjust*
27.	hvla
28.	high velocity low amplitude* or high-velocity low-amplitude* or high velocity thrust* or high-velocity thrust*
29.	audibl* n2 releas*
30.	subluxat*
31.	MH Pregnancy
32.	MH Pregnant Women
33.	MH Pregnancy Outcome
34.	MH Pregnancy Complications
35.	MH Prenatal Care
36.	MH Postpartum Period
37.	MH Parturition
38.	pregnan*
39.	childbirth*
40.	antenatal* OR ante natal* OR ante-natal*
41.	prenatal* OR pre natal* OR pre-natal*
42.	postnatal* OR post natal* OR post-natal*
43.	postpartum* OR post partum* OR post-partum*
44.	perinatal* or peri natal* or peri-natal*
45.	peirpartum* or peri-partum*
46.	1–15/ OR
47.	16–30/ OR
48.	31–45/ OR
49.	46 AND 47 AND 48
50.	LIMIT English
51.	LIMIT January 1 2010–Nov 1 2018