1. The cytokine network;Balkwill;Immunol. Today,1989
2. Thymus-derived and non-thymus-derived T-like cells. The origin and function of cells bearing γδ receptors;Bell;Thymus,1989
3. Basic mechanisms of adaptive immune system function;Bloksma,1989
4. Stress and immunity: An integrated view of relationships between the brain and the immune system;Dantzer;Life Sci.,1989
5. Sequential activity of γ-δ T-cell receptor bearing lymphocytes, specific T-cell factors, and α-β T-cell receptor bearing T-cells. A hypothesis;De Weger;Thymus,1989