central registry of clinical trials

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
central registry of clinical trials	1.61	0.2	7731	80	35
central	1.27	0.3	998	50	7
registry	0.46	0.8	1174	18	8
of	1.19	0.8	2589	71	2
clinical	1.48	0.2	9280	83	8
trials	0.27	0.3	3374	3	6

Keyword	CPC	PCC	Volume	Score
central registry of clinical trials	1.17	1	6984	44
central register of clinical trials	1.89	0.3	4810	95
registry of clinical trials	1.85	0.2	3242	78
national clinical trials registry	1.18	0.9	2535	3
registry study in clinical trials	1.29	0.1	7702	10
us clinical trials registry	0.87	0.1	8531	36
clinical trials registry australia	1.63	0.6	2338	95
clinical trials registry uk	0.39	0.5	1025	62
clinical trials registry usa	0.61	0.7	3233	79
register of clinical trials	1.02	0.2	5133	22
list of clinical trial registries	0.98	1	7186	41
the china clinical trials registry	0.15	0.1	2692	99
australian clinical trials registry	1.19	0.2	2968	53
international clinical trials registry	1.85	0.5	2426	83
central register of controlled trials	0.44	0.2	5716	77
canada clinical trial registry	1.39	0.4	1513	49
clinicaltrials.gov registry	0.05	0.9	395	39
registry clinical trial definition	1.98	0.1	2715	72
uk clinical trial registry	1.1	0.9	7659	49