Health Cana­da is­sues two re­calls for Pfiz­er blood pres­sure drugs over im­pu­ri­ty

Last year, Pfiz­er stopped dis­tri­b­u­tion of megablock­buster smok­ing ces­sa­tion drug Chan­tix over an in­creased lev­el of car­cino­genic ni­trosamines.

Now, two of the Big Phar­ma’s blood …

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