@book{33600,
	author = {Pettit, George R. and CRAGG, Gordon M.},
	title = {Biosynthetic products for cancer chemotherapy :},
	publisher = {Elsevier,},
	year = {c1984.},
	address = {New York :},
	note = {Vol. <4-6   > have imprint: Amsterdam ; New York : Elsevier.}
}