Ovid Embase 1974 to 23 February 2022
#	Searches	Results
1	(gastric adj2 residual*).ti,ab,kw,kf.	1345
2	aspirate*.ti,ab,kw,kf.	49004
3	or/1‐2 [Gastric Residual]	50235
4	newborn/ or prematurity/ or newborn intensive care/ or newborn care/	641045
5	(baby* or babies or infant? or infantile or infancy or low birth weight or low birthweight or neonat* or neo‐nat* or newborn* or new born? or newly born or premature or pre‐mature or pre‐matures or prematures or prematurity or pre‐maturity or preterm or preterms or pre term? or preemie or preemies or premies or premie or VLBW or LBW or ELBW or NICU).ti,ab,kw,kf.	1124258
6	or/4‐5 [Filter: Neonatal Population 2021‐OVID EMBASE]	1341740
7	Randomized controlled trial/ or Controlled clinical study/	886510
8	random$.ti,ab,kw.	1764176
9	Randomization/	93121
10	placebo.ti,ab,kw.	337398
11	((double or single or doubly or singly) adj (blind or blinded or blindly)).ti,ab,kw.	253738
12	double blind procedure/	192633
13	(controlled adj7 (study or design or trial)).ti,ab,kw.	400691
14	parallel group$1.ti,ab.	28968
15	(crossover or cross over).ti,ab.	114952
16	((assign$ or match or matched or allocation) adj5 (alternate or group$1 or intervention$1 or patient$1 or subject$1 or participant$1)).ti,ab.	373656
17	(open adj label).ti,ab.	94726
18	(quasirandom* or quasi‐random* or randomi* or randomly).ti,ab,kw,kf.	1440533
19	(control* adj2 (group? or random*)).ti,ab,kw,kf.	1170580
20	or/7‐17 [ Terms based on Cochrane Central strategy‐https://www‐cochranelibrary‐com.ezproxy.uvm.edu/central/central‐creation]	2524984
21	(exp animals/ or exp invertebrate/ or animal experiment/ or animal model/ or animal tissue/ or animal cell/ or nonhuman/) and (human/ or normal human/ or human cell/)	23325369
22	exp animals/ or exp invertebrate/ or animal experiment/ or animal model/ or animal tissue/ or animal cell/ or nonhuman/	30171902
23	22 not 21 [Animal Exclusion‐https://community‐cochrane‐org.ezproxy.uvm.edu/sites/default/files/uploads/inline‐files/Embase%20animal%20filter.pdf]	6846533
24	20 not 23 [Filter: RCT‐EMBASE]	2255913
25	meta‐analysis/ or "systematic review"/ or "meta analysis (topic)"/ [EMTREE]	486396
26	((systematic* adj3 (review* or overview*)) or (methodologic* adj3 (review* or overview*))).ti,ab,kw.	316129
27	((integrative adj3 (review* or overview*)) or (collaborative adj3 (review* or overview*)) or (pool* adj3 analy*)).ti,ab,kw.	47216
28	(data synthes* or data extraction* or data abstraction*).ti,ab,kw.	41746
29	(hand search* or handsearch*).ti,ab,kw.	12572
30	(mantel haenszel or peto or der simonian or dersimonian or fixed effect* or latin square*).ti,ab,kw.	41438
31	(met analy* or metanaly* or meta regression* or metaregression*).ti,ab,kw.	16192
32	(medline or cochrane or pubmed or medlars or embase or cinahl).ab.	353000
33	(cochrane or systematic review?).jn,jx.	30354
34	(overview adj2 reviews).ti.	101
35	or/25‐34 [SR Filter: EMBASE based on CADTH filter: https://www‐cadth‐ca.ezproxy.uvm.edu/strings‐attached‐cadths‐database‐search‐filters]	723742
36	3 and 6 and 24 [Gastric Residual AND Neonate AND RCT Filter]	356
37	3 and 6 and 35 [Gastric Residual AND Neonate AND Systematic Review Filter]	59
38	or/36‐37 [EMBASE Results]	391