Health Canada warns doctors not to start this prescription medication CTV NewsMedical journal retracts paper on Amgen’s Tavneos drug trial after FDA findings ReutersHealth Canada raises ‘serious concerns’ for this medication Inside HaltonControversial drug at center of multibillion-dollar Amgen deal faces more questions after paper retracted The Business JournalsMark Hensley: The Hidden Risks of Changing Clinical Trial Endpoints After Unblinding Oncodaily