Keyword Analysis & Research: what does drug tier pb mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does drug tier pb mean	1.49	1	5535	94	27
what	0.92	0.6	5254	10	4
does	1.88	0.9	1806	30	4
drug	1.2	0.5	218	84	4
tier	1.98	0.8	6353	56	4
pb	0.78	0.3	509	6	2
mean	0.21	0.8	1981	75	4

Keyword	CPC	PCC	Volume	Score
what does drug tier pb mean	0.14	0.1	9544	92