Intas launches biosimilar version of Rituximab Unnithan C, The Times of India, 30 Apr 2013 Accessed on 5 May 2013 from http://timesofindia.indiatimes.com/business/india-business/Intas-launches-biosimilar-version-of-Rituximab/articleshow/19804674.cms. CommentRecommendBookmarkWatch