Title: Physiological and biochemical studies of the mechanism of paraquat resistance in American black nightshade
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF021049210&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF021049210&ix=pm&I=0&V=D&pm=1</a>