@article{LehrnbecherPootOrschescheketal.1994, author = {T. Lehrnbecher and M. Poot and K. Orscheschek and Walter Sebald and A. C. Feller and H. Merz}, title = {Interleukin 7 as interleukin 9 drives phytohemagglutinin-activated T cells through several cell cycles; no synergism between interleukin 7, interleukin 9 and interleukin 4}, year = {1994}, }