when did stem cell research begin

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did stem cell research begin	0.41	0.6	3253	45	33
when	0.73	0.8	7368	55	4
did	1.34	0.1	1205	65	3
stem	0.86	0.8	6092	53	4
cell	1.01	0.2	3999	28	4
research	0.62	0.9	2372	36	8
begin	1.6	0.2	5063	39	5

Keyword	CPC	PCC	Volume	Score
when did stem cell research begin	0.2	0.2	3404	25
how to begin research stem cell study	1.95	1	3283	1
when did embryonic stem cell research begin	1.63	0.7	6482	13
stem cell research beginning	0.87	0.4	4047	56
how did stem cell research begin	0.16	0.5	3888	4
history of stem cell research timeline	1.26	0.3	889	82
first stem cell research	0.57	0.9	9540	51
article on stem cell research history	0.83	0.3	2280	36
history of stem cell	1.49	0.9	4056	53
stem cell research timeline	1.57	0.5	6373	56
when was stem cells discovered	1.37	0.6	165	63
stem cell history timeline	1.01	0.4	5701	86
when were stem cells first used	0.69	0.9	8566	62
who found stem cells	0.38	0.9	4522	37
discovery of stem cells	1.61	0.7	6962	59
who discovered stem cells	0.83	0.3	6141	64