PCR Sites

Rank	Website	Country Rank	Monthly Unique Visitors	Pages/Visit	Avg. Visit Duration	Bounce Rate
1	neb.com	#19515	1.2M	00:03:03	3.23	53.24%
2	bbioo.com	#2683	959.0K	00:01:40	1.43	74.44%
3	protocol-online.org	#59648	506770	00:00:55	1.482101069538	69.61%
4	appliedbiosystems.com	#206781	101530	00:02:00	2.5965994966129	45.32%