TY - GEN AU - De Groot,C AU - Braun,J AU - Mevissen,M L AU - Wormmeester,J TI - Contrasting effects of interleukin 4 (IL-4) on the in vitro proliferation of human B cells is due to the presence of B cell subsets in different activation states SN - 0277-6766 PY - 1990///1012 KW - B-Lymphocytes KW - immunology KW - Cell Separation KW - Centrifugation, Density Gradient KW - Child KW - Child, Preschool KW - Dose-Response Relationship, Drug KW - Humans KW - In Vitro Techniques KW - Interleukin-4 KW - administration & dosage KW - Lymphocyte Activation KW - Osmolar Concentration KW - Palatine Tonsil KW - cytology KW - Povidone KW - Silicon Dioxide KW - Time Factors N1 - Publication Type: Journal Article ER -