The text that follows is owned by the site above referred.
Here is only a small part of the article, for more please follow the link
The rankings of the top 25 pharmaceutical companies in oncology have been compiled from GlobalData’s pharmaceutical revenue figures, which are based on sales of prescription medicines, including generics drugs. The rankings include figures for 2014, 2013, 2012 and 2011.
For ease of comparison the rankings, along with those for immunology, CNS, cardiovascular, metabolic, global, US and Japan sales, are also displayed in the Top Pharma List 2012 infographic.