1. US Food and Drug Administration. Pembrolizumab prescribing information https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/125514s030lbl.pdf. Accessed June 25 2018
2. European Medicines Agency. Summary of product characteristics: KEYTRUDA (pembrolizumab). http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/003820/WC500190990.pdf. Accessed June 25 2018
3. US Food and Drug Administration: Nivolumab prescribing information. https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/125554s058lbl.pdf. Accessed June 25 2018
4. European Medicines Agency. Summary of product characteristics: OPDIVO (nivolumab). http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/003985/WC500189765.pdf. Accessed June 25 2018
5. US Food and Drug Administration. Atezolizumab prescribing information. https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/761041lbl.pdf. Accessed June 25 2018