Papers featured in the World Journal of Gastroenterology from 2006 to 2007

Table 3 Papers and their frequency of citation, according to category

Category	2006			2007			Total			Total citation rate	Total cited times
	No. of papers	Papers cited	Cited times	No. of papers	Papers cited	Cited times	Count of papers	Papers cited	Cited times
Basic research	178	154	682	88	63	219	266	217	901	81.58	3.39
Case reports	216	167	477	208	105	226	424	272	703	64.15	1.66
Clinical research	93	84	454	67	49	176	160	133	630	83.13	3.94
Colorectal cancer	37	36	152	22	18	56	59	54	208	91.53	3.53
Editorial	85	82	664	58	50	255	143	132	919	92.31	6.43
Esophageal cancer	10	9	53	4	3	11	14	12	64	85.71	4.57
Gastric cancer	41	39	200	23	17	48	64	56	248	87.50	3.88
H pylori	17	14	34	10	9	15	27	23	49	85.19	1.81
Leading article	1	1	2			0	1	1	2	100.00	2.00
Letters to the editor	18	10	41	26	14	22	44	24	63	54.55	1.43
Liver cancer (cirrhosis)	34	30	171	27	21	59	61	51	230	83.61	3.77
Rapid communications	475	383	1593	391	268	773	866	651	2366	75.17	2.73
Reviews	75	72	860	37	32	136	112	104	996	92.86	8.89
Topic highlights	70	62	482	132	120	731	202	182	1213	90.10	6.00
Viral hepatitis	37	37	134	18	14	62	55	51	196	92.73	3.56
Other	1	0	0	7	0	0	8	0	0	0.00	0.00
Total	1388	1180	5999	1118	783	2789	2506	1963	8788	78.33	3.51