All
 G04 Biological Phenomena, Cell Phenomena, and Immunity D001687 +
 G04.610 Immunity D007109 +
 G04.610.555 Immunity, Cellular D007111 +
 G04.610.555.412 Immunologic Surveillance D007157 
 G04.610.555.545 Lymphocyte Activation D008213 
 G04.610.555.714 Transplantation Immunology D014181 +
 G04.610.555.070 Antigen Presentation D017951