524,772 FRIGERIO A. /red/ Mass spectrometry in biochemistry and medicine. Ed. A. Frigerio, IT. Castagnoli,jr, New York 1974 Raven Press,Publishers; Amsterdam, Distributed... by Horth Holland Publishing Company 8° s. IX, nlb.1, 389, ilustr. Monographs of the Mario Negri Institute for Pharmacological Research, Milan