some updates text

paper/bibliography.bib

+@article{Bedard2007,
+  doi = {10.1200/jco.2007.11.3670},
+  year = {2007},
+  volume = {25},
+  number = {23},
+  pages = {3482--3487},
+  author = {Philippe L. Bedard and Monika K. Krzyzanowska and Melania Pintilie and Ian F. Tannock},
+  title = {Statistical Power of Negative Randomized Controlled Trials Presented at American Society for Clinical Oncology Annual Meetings},
+  journal = {Journal of Clinical Oncology}
+}
+
 @book{Wellek2010,
   title={Testing statistical hypotheses of equivalence and noninferiority},
   author={Wellek, Stefan},