1. Diurnal variation of lymphocyte subsets identified by monoclonal antibodies;Bertouch, J.V.; Roberts-Thomson, P.J.; Bradley, J.;BrMedJ,1983
2. Circadian variation of lymphocyte subpopulations: a study with monoclonal antibodies;Ritchie, A.W.S.; Oswald, I.; Micklem, H.S.;BrMedJ,1983
3. Circadian variation of helper and suppressor T cells and disease activity in rheumatoid arthritis;Pownall, R.; Ward, C.; Knapp, M.S.;Chronobiologia,1983
4. Large amplitude circadian rhythm in helper: suppressor ratio of peripheral blood lymphocytes;Levi, F.; Cannon, C.; Blum, J.P.; Reinberg, A.; Mathe, G.;Lancet,1983
5. Immune responses have rhythms: are they important?;Pownall, R.; Knapp, M.S.;Immunology Today,1980