TY - RPRT TI - CD4 negative mice as a model for immunodeficiency. AU - A Rahemtulla AU - A Shahinian AU - T Kundig AU - R Zinkernagel AU - T W Mak PY - 1993 DO - 10.1098/rstb.1993.0135 UR - https://pubmed.ncbi.nlm.nih.gov/7904347/ ID - 7904347 ER -