Extinction _____. only happens above the species level cannot happen to more than one species at a time has happened to over 99% of species that ever lived on earth happens when a species or population dies out.
Nivolumab, marketed as Opdivo, is a medication used to treat cancer.
The recommended dose and schedule of nivolumab in adjuvant melanoma is 240 mg administered as an IV infusion over 60 minutes every two weeks until disease recurrence or unacceptable toxicity, for a maximum of 1 year.