ERS4KIDS.COM has 10 keywords

Third position — 1 keywords

Keywords Analytic

the 3th position for ers4kids.com

#	Keyword	Results	Change	Check Date
3	ecg bill sample	11 500 000	0	2014-01-06

positions above than 3th ers4kids.com

#	Keyword	Results	Change	Check Date
11	ecgs by example pdf download	1 480 000	0	2014-04-30
20	ecgs by example download	282 000	0	2014-05-04
20	ECG tutorial for kids	5 480 000	0	2014-01-11
20	73 an duong	29 400 000	0	2012-05-01
23	ekg site for kids	11 900 000	-4	2014-03-07
26	dynamic ecg powerpoint	4 330 000	0	2014-03-31
49	kids blocks vector	488 000	0	2014-06-03