when is a ppd considered positive

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when is a ppd considered positive	0.86	0.1	1955	84	33
when	1.57	0.4	1649	82	4
is	0.43	0.7	9138	86	2
a	0.18	0.5	5034	86	1
ppd	0.25	0.3	5953	2	3
considered	1.14	0.2	6400	53	10
positive	1.02	1	1453	44	8

Keyword	CPC	PCC	Volume	Score
when is a ppd considered positive	1.92	0.3	633	70
what is considered a positive ppd	0.5	1	1735	97
what is considered a positive ppd skin test	1.03	0.6	782	33
what is considered a positive ppd reading	0.53	0.7	7055	38
what is considered a positive ppd test	1.6	0.5	7536	32
what is a positive ppd test	1.85	0.2	3095	92
once positive ppd always positive	1.86	0.6	3247	36
how to know if ppd is positive	0.86	0.6	9624	44
what makes a ppd positive	1.38	0.8	6503	79
positive ppd test means	1.52	0.1	9800	2
ppd test positive meaning	0.32	0.7	21	86
positive ppd reading measurement	0.42	0.4	9734	9
what is a positive ppd	1.24	0.3	7255	100
pictures of positive ppd readings	0.61	0.2	8669	43