International scientific communications in the field of colorectal tumour markers

Table 9 Dominant research areas (WoS categories) on the topic in three data-bases

Rank	Research area (WoS category)	WoS	BIOSIS	MEDLINE
1	Oncology	834	1153	1034
2	Gastroenterology and hepatology	297	1084	166
3	Surgery	301	55	132
4	Pathology	169	55	74
5	Cell biology	47	42	231
6	Biochemistry and molecular biology	42	266	703
7	Medical laboratory technology	33	393	48
8	Pharmacology and pharmacy	27	144	190
9	Radiology, nuclear medicine and medical imaging	25	15	30
10	Genetics and heredity	24	402	490
11	Public, environmental and occupational health	23	22	29
12	Immunology	10	77	454
13	Hematology	7	22	43
14	Nutrition and dietetics	5	16	17
15	Endocrinology and metabolism	3	98	22