how long does ppd and ppa last

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how long does ppd and ppa last	0.16	0.7	1705	24	30
how	1.26	0.9	1397	20	3
long	0.67	0.3	3086	70	4
does	0.25	0.5	3235	44	4
ppd	1.89	0.5	1617	1	3
and	0.1	0.7	4152	73	3
ppa	0.13	1	625	74	3
last	1.44	0.6	9540	70	4

Keyword	CPC	PCC	Volume	Score
how long does ppd and ppa last	1.91	1	7163	29
how long does ppd last	1.91	0.3	4819	39
how long does pppd last	0.54	0.8	9043	66
how long is a ppd good for	0.2	0.4	8608	6
how long is ppd valid	0.5	0.7	9768	99
how long are ppd results good for	0.12	0.5	1632	46
how long does ppd test last	0.2	1	9610	66
how long is ppd good after opening	0.29	1	5490	48
how long are ppd test good for	0.5	0.8	3948	40
ppd test good for how long	0.92	0.4	4854	3
how long are ppd tests valid for	0.07	0.5	2937	86
how long is ppd read good for	1.86	0.9	9254	45
how long can ppd be left unrefrigerated	0.01	0.7	1685	88
expiration after opening ppd	0.69	0.5	7137	70
ppd expires after opening	1.87	0.7	6952	35
when does ppd vial expire	1.47	0.6	3256	97
how soon can a ppd be repeated	0.97	0.2	5172	31
will ppd go away	0.56	0.3	9543	64
does pppd go away	1.28	0.8	3893	28
how long does ppd last without treatment	1.18	0.4	3243	78
how long does ppd last once opened	1.77	0.4	2097	85
how long can ppd last	1.41	0.5	4722	86
how long does a ppd test last	1.55	0.6	3481	52
how long does a ppd skin test last	0.08	0.2	4114	57