CINAHL Complete; EBSCOHost
	July‐31‐2022
	Advanced Search; Search mode: Boolean/Phrase
#	Query	Results
1	(MH "Pentoxifylline")	518
2	TI ( (agapurin or artal or azupentat or azutrenat or bl 191 or bl191 or c‐vex or carpental or cental or ceretal or claudicat retard or "eht 0201" or eht0201 or elorgan or erytral or fixoten or flexital or harin or harine or hemovas or ikomio or ipentol or kentadin or oxopurin 400 sr or oxpentifylline or oxpentiphylline or oxypentifylline or penphylline or pentong or pentopak or pentox* or pentyllin or perencal or perental or peridane or pexal or pexol or platof or ralofect or ralofekt or relofekt or rentylin or tarontal or thrental or torental or torestal or trenfyl or trenlin or trental or trepal‐400 or vazofen) ) OR AB ( (agapurin or artal or azupentat or azutrenat or bl 191 or bl191 or c‐vex or carpental or cental or ceretal or claudicat retard or "eht 0201" or eht0201 or elorgan or erytral or fixoten or flexital or harin or harine or hemovas or ikomio or ipentol or kentadin or oxopurin 400 sr or oxpentifylline or oxpentiphylline or oxypentifylline or penphylline or pentong or pentopak or pentox* or pentyllin or perencal or perental or peridane or pexal or pexol or platof or ralofect or ralofekt or relofekt or rentylin or tarontal or thrental or torental or torestal or trenfyl or trenlin or trental or trepal‐400 or vazofen) )	638
3	S1 OR S2	797
4	(MH "Phosphodiesterase Inhibitors+")	3,586
5	TI (Phosphodiesteras* N2 Inhibit*) OR AB (Phosphodiesteras* N2 Inhibit*)	1,619
6	S4 OR S5	4,310
7	(MH "Sepsis+") OR (MH "Neonatal Sepsis")	30,959
8	(MH "Enterocolitis+") OR (MH "Enterocolitis, Necrotizing")	3,647
9	TI ( (sepsis* or septic* or Pyemia* or Pyohemi* or Pyaemi* or ((blood* or bloodstream*) N2 (infect* or poison*))) ) OR AB ( (sepsis* or septic* or Pyemia* or Pyohemi* or Pyaemi* or ((blood* or bloodstream*) N2 (infect* or poison*))) )	44,927
10	TI ( (enterocoliti* or colienteriti* or NEC) ) OR AB ( (enterocoliti* or colienteriti* or NEC) )	4,397
11	S7 OR S8 OR S9 OR S10	60,120
12	(MH "Infant, Newborn+") OR (MH "Infant, Large for Gestational Age") OR (MH "Infant, Low Birth Weight+") OR (MH "Infant, Postmature") OR (MH "Infant, Premature") OR (MH "Intensive Care, Neonatal+") OR (MH "Intensive Care Units, Neonatal") OR (MH "Gestational Age")	171,731
13	TI ((babe or babes or baby* or babies or gestational age# 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 VLBWI or VLBW‐I or VLBWs or LBW or LBWI or LBWs or ELBW or ELBWI or ELBWs or NICU or NICUs) OR AB (babe or babes or baby* or babies or gestational age# 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 VLBWI or VLBW‐I or VLBWs or LBW or LBWI or LBWs or ELBW or ELBWI or ELBWs or NICU or NICUs)	257,845
14	S12 OR S13	321,168
15	(MH "Single‐Blind Studies") OR (MH "Triple‐Blind Studies") OR (MH "Randomized Controlled Trials+") OR (MH "Double‐Blind Studies")	171,721
16	(MH "Clinical Trials+")	341,694
17	TI (randomi#ed or randomly) OR AB (randomi#ed or randomly) OR AB (randomi#ed or randomly) OR AB (randomi#ed or randomly)	359,579
18	AB randomly	104,951
19	AB placebo	64,957
20	AB (trial)	331,183
21	AB groups	876,324
22	TI (quasirandom* or quasi‐random*) OR AB (quasirandom* or quasi‐random*)	2,195
23	S15 OR S16 OR S17 OR S18 OR S19 OR S20 OR S21 OR S22	1,283,162
24	(MH "Animal Studies")	148,280
25	(MH "Human")	2,584,163
26	S24 NOT S25	123,454
27	S23 NOT S26	1,244,112
28	(MH "Systematic Review")	112,201
29	(MH "Meta Analysis")	64,235
30	( TI ((systematic* N3 (review* or overview*)) or (methodologic* N3 (review* or overview*))) ) OR ( AB ((systematic* N3 (review* or overview*)) or (methodologic* N3 (review* or overview*))) )	138,072
31	( TI ((integrative N3 (review* or overview*)) or (collaborative N3 (review* or overview*)) or (pool* N3 analy*)) ) OR ( AB ((integrative N3 (review* or overview*)) or (collaborative N3 (review* or overview*)) or (pool* N3 analy*)) )	18,428
32	( TI (data synthes* or data extraction* or data abstraction*) ) OR ( AB (data synthes* or data extraction* or data abstraction*) )	13,853
33	AB (hand search* or handsearch*)	4,877
34	AB (mantel haenszel or peto or der simonian or dersimonian or fixed effect* or latin square*)	9,417
35	( TI met analy* or metanaly* or meta regression* or metaregression*) ) OR ( AB met analy* or metanaly* or meta regression* or metaregression*) )	4,805
36	AB (medline or cochrane or pubmed or medlars or embase OR CINAHL)	115,502
37	S28 OR S29 OR S30 OR S31 OR S32 OR S33 OR S34 OR S35 OR S36	244,269
38	S4 AND S14	167
39	S6 AND S11 AND S14	6
40	S38 OR S39	170
41	S40 AND S27	55
42	( S40 AND S37 ) AND DT 202*	1
43	S41 OR S42	55