RT Journal Article SR Electronic T1 The Yew Tree and the Crab: JF History of Pharmacy and Pharmaceuticals JO His of Phar and Pharma FD University of Wisconsin Press SP 3 OP 18 DO 10.3368/hopp.62.1-2.3 VO 62 IS 1-2 A1 Duffin, Jacalyn YR 2020 UL http://hopp.uwpress.org/content/62/1-2/3.abstract AB This paper addresses the fortunes of Biolyse, a small Canadian company, whose sole product for many years was an affordable version of the anticancer-drug, paclitaxel, derived from the yew tree. Repeated lawsuits and stringent regulations have made its survival precarious. The repeated attacks on this company demonstrate the travails of industrial innovation in confronting that other “crab” of big pharma. Sources include scientific publications, newspapers, interviews, and legal documents.