Overview (S. Chamow A. Ashkenazi) Fab Fusion Proteins: Immunoligands (M. Penchent, et al. ) Immunoezymes (S. Rybak D. Newton) Recombinant Immunotoxins (D. Fitzgerald) F(ab')2 Fusion Proteins and Bispecific F(ab')2 (J. Tso) Monovalent Phage Display of Fab and seFv Fusions (D. Powers J. Marks) Bispecific Fusion Proteins (J. Goldstein, et al. ) Immunoglobin Fusion Proteins (A. Aruffo) TNF Receptor IgG Fusion Protein: Principles, Design, and Activities (W. Lesslauer) Optimizing Production and Recover of Immunoadhesins (S. Chamow, et al. ).