Hotspots and trends of risk factors in gastric cancer: A visualization and bibliometric analysis

Table 6 The top 10 documents in co-citation analysis of publications in risk factors for gastric cancer research

Rank	Title	First author	Source	Publication year	TC
1	Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries	Freddie Bray	Ca-cancer J Clin	2018	251
2	The two histological main types of gastric carcinoma: diffuse and so-called intestinal-type carcinoma. An attempt at a histo-clinical classification.	P Lauren	Acta Pathol Mic Sc	1965	224
3	Helicobacter pylori infection and the development of gastric cancer	N Uemura	New Engl J Med	2001	207
4	Global cancer statistics, 2002	D Max Parkin	Ca-cancer J Clin	2005	196
5	Classification and grading of gastritis. The updated Sydney System. International Workshop on the Histopathology of Gastritis, Houston 1994	M F Dixon	Am J Surg Pathol	1996	180
6	Bias in meta-analysis detected by a simple, graphical test	M Egger	BMJ	1997	159
7	Cancer incidence and mortality worldwide: sources, methods and major patterns in GLOBOCAN 2012	Jacques Ferlay	Int J Cancer	2015	150
8	Gastric cancer and Helicobacter pylori: a combined analysis of 12 case control studies nested within prospective cohorts	Helicobacter and Cancer Collaborative Group	Gut	2001	144
9	Interleukin-1 polymorphisms associated with increased risk of gastric cancer	M Egger	BMJ	1997	137
10	Meta-analysis in clinical trials	R DerSimonian	Control Clin Trials	1986	126

Total citations: Total citations of publications; TC: Total citations.