What is the best generic Lorazepam pill?

Biovail Corporation, Excellium Pharmaceutical, Mutual Pharmaceutical, Ranbaxy Pharmaceuticals and Teva Pharmaceuticals, Hospira Worldwide, Watson Pharmaceuticals, Baxter Healthcare, Akorn, Inc., Bedford Laboratories, Ivax Corporation, Actavis Elizabeth, Mylan Pharmaceuticals, Sandoz Pharmaceuticals, Major... show more Biovail Corporation, Excellium Pharmaceutical, Mutual Pharmaceutical, Ranbaxy Pharmaceuticals and Teva Pharmaceuticals, Hospira Worldwide, Watson Pharmaceuticals, Baxter Healthcare,
Akorn, Inc., Bedford Laboratories, Ivax Corporation, Actavis Elizabeth, Mylan Pharmaceuticals, Sandoz Pharmaceuticals, Major Pharmaceuticals, Apotheca,

they all do the generic but from experience which is the best most potent working one from which company? I am going to attempt to order brand but it will probably be on back order...
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