312,569 FRANKFURT 2nd Frankfurt International Cytokine Symposium Frankfurt am Main, June 25-27, 1992 : abstracts /org. by the Cancer Center Frankfurt am Main and the German Cancer Society and the Society for Medical Oncology. - Basel [etc.] :S.Karger, 1992. - 40 s. ; 30 cm (Onkologie, ISSN 0378-584X ; Bd. 15, suppl. 1)