TY - RPRT TI - Resistance of BALB/c mice to Leishmania major infection is associated with a decrease in the precursor frequency of antigen-specific CD4+ cells secreting interleukin-4. AU - L Morris AU - T Aebischer AU - E Handman AU - A Kelso PY - 1993 DO - 10.1093/intimm/5.7.761 UR - https://pubmed.ncbi.nlm.nih.gov/8103672/ ID - 8103672 ER -