EVOLVING 312.461 The evolving role of antifolates in metastatic colorectal cancer / Joseph Bertino, guest ed. ; contributors Cara Baughman. - Philadelphia : W.B. Saunders Co. A Division of Harcourt Brace and Co., 1997. - [2], 76 s. : wykr. ; 28 cm. - (Seminars in Oncology, ISSN 0093-7754 ; v.24, suppl. 18 do nr5)