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Table 1 Search strategy of databases

From: Efficient administration of a combination of nifedipine and sildenafil citrate versus only nifedipine on clinical outcomes in women with threatened preterm labor: a systematic review and meta-analysis

PUBMED

("sildenafil"[Title/Abstract] OR "Viagra"[Title/Abstract] OR "Homosildenafil"[Title/Abstract] OR "Revatio"[Title/Abstract] OR "Acetildenafil"[Title/Abstract]) AND ("Nifedipine"[Title/Abstract] OR "Adalat"[Title/Abstract] OR "Fenigidin"[Title/Abstract] OR "Procardia"[Title/Abstract] OR "cordipin*"[Title/Abstract]) AND ("preterm"[Title/Abstract] OR "premature"[Title/Abstract]) AND 1985/01/01:2024/12/31[Date—Publication]

7 results

Web of Science

# Web of Science Search Strategy (v0.1)

# Database: Web of Science Core Collection

# Entitlements:

- WOS.SCI: 1945 to 2024

- WOS.AHCI: 1975 to 2024

- WOS.ESCI: 2019 to 2024

- WOS.SSCI: 1956 to 2024

# Searches:

1: ((((TS = (sildenafil)) OR TS = (Viagra)) OR TS = (Homosildenafil)) OR TS = (Revatio)) OR TS = (Acetildenafil)

Date Run: Sat Jan 13 2024 09:14:14 GMT + 0330 (Iran Standard Time)

Results: 13468

2: ((((TS = (nifedipine)) OR TS = (adalat)) OR TS = (Fenigidin)) OR TS = (Procardia)) OR TS = (cordipin*)

Date Run: Sat Jan 13 2024 09:16:17 GMT + 0330 (Iran Standard Time)

Results: 22095

3: (TS = (preterm)) OR TS = (premature)

Date Run: Sat Jan 13 2024 09:17:04 GMT + 0330 (Iran Standard Time)

Results: 252524

4: #1 AND #2 AND #3

Date Run: Sat Jan 13 2024 09:17:42 GMT + 0330 (Iran Standard Time)

Results: 7

7 results

Scopus

#1 TITLE-ABS-KEY ( sildenafil) OR TITLE-ABS-KEY ( viagra) OR TITLE-ABS-KEY ( homosildenafil) OR TITLE-ABS-KEY ( revatio): 23,225 document results

#2 TITLE-ABS-KEY ( nifedipine) OR TITLE-ABS-KEY ( adalat) OR TITLE-ABS-KEY ( fenigidin) OR TITLE-ABS-KEY ( procardia): 55,195 document results

#3 TITLE-ABS-KEY ( preterm) OR TITLE-ABS-KEY ( premature): 355,668 document results

#4 #1 AND #2 AND #3: 35 document results

35 results

ScienceDirect

(“sildenafil citrate” OR viagra) AND (nifedipine OR adalat) AND (preterm OR premature)

114 results

Cochrane library

Date Run:

 

13/01/2024 09:02:44

2 results

ID

Search

Hits

#1

MeSH descriptor: [Sildenafil Citrate] explode all trees

1098

#2

MeSH descriptor: [Nifedipine] explode all trees

2245

#3

MeSH descriptor: [Premature Birth] explode all trees

2180

#4

preterm

17,810

#5

#3 OR #4

18,263

#6

#1 AND #2 AND #5

2

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BMC Pediatrics

ISSN: 1471-2431

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