Scoping Review and Bibliometric Analysis of the Most Influential Publications in Achalasia Research from 1995 to 2020

Table 1

Inclusion criteria, exclusion criteria, and search strategy.

Inclusion criteria	(i) Language: English
	(ii) Data type: article, review, guideline, and consensus
	(iii) Keyword: achalasia
	(iv) Total citations: 30 or more times
	(v) Publish year: 1995–2020
Exclusion criteria	Publications that have not been based on topics of achalasia (Pseudoachalasia, Chagas disease)
Search strategy in PubMed	achalasia [Title/Abstract] AND (English [language]) AND ((“1995/01/01” [date-publication]: “2020/11/15” [date-publication]))
Search strategy in Scopus	TITLE-ABS-KEY (achalasia) AND PUBYEAR > 1994 AND (LIMIT-TO (LANGUAGE, “English”)
Search strategy in Web of Science	(TS = achalasia) AND (language = English)