Small Pocket Pairs in the blinds (theory discussion)

[Larimani]

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I have found that PP's under 6 are usually losers in EP when you are facing a PFR. You don't hit the set that often (1 to 7) and when you don't it is usually a check fold. I don't think the implied odds are that great either for your hand unless you hit a nice flop that hits his hand as well.

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with <50BB stacks that's my thoughts as well... Is this the general consensus? Any reference from trusted 2+2 authors / high-limit players?