Canadian biotechnology start-ups, 1991-1997: the role of incumbents' patents and strategic alliances in controlling competition.
D001709:Biotechnology / Q000266:history*; D002170:Canada; D004465:Economic Competition / Q000266:history*; D049673:History, 20th Century; D007221:Industry / Q000266:history*; D010330:Patents as Topic / Q000266:history*