Partial table of contents:; New Efficient Cell-Labeling Method with Tc-99m Pertechnetate via Neutral and Lipid Soluble Sn(II)-Mercaptopyridine N-Oxide Complex and Comparative Evaluation with Tc-99m HMPAO Labeled Platelets (M. Dewanjee, et al.); Peri-Operative Uptake of Radiolabeled Platelets in the Lungs (D. Hocken & C. McCollum); Comparison of Platelet Scintigraphy, Impedance Plethysmography Gray Scale and Color Flow Duplex Ultrasound and Venography for the Diagnosis of Venous Thrombosis (M. Ezekowitz, et al.); Effect of Prostaglandin E1 and (the NO-Donor) Isosorbidedinitrate on Thromboresistance in Human In Vivo (H. Sinzinger, et al.); Migration of Immunomodulated Cultured Lymphocytes in Malignant Tumors (J. McAfee); Red Blood Cells Labeling with 99mTc-HM-PAO (C. Piera, et al.); Membrane Dependent Pulmonary Sequestration of Leukocytes During Hemodialysis (H. Hvffken, et al.); Labeling of Mammalian Cells for In Vivo Cell Tracking by a Fluorescence Method (B. Jensen, et al.); Clinical Experience with In-111 Labeled LAK Cells and TILs for Tumor Localization (K. Uno, et al.); In Vitro Binding to Granulocytes of Two Anti-NCA 95 Monoclonal Antibodies: Mab1 (ORIS) and Mabgc (Mallinckrodt) (B. Collet, et al.); White Blood Cell Scintigraphy: Problems Related to the Use of Monoclonal Antibodies (J. Locher & K. Seybold); Index.