Columbia subject headings:
HLA histocompatibility antigens--Congresses.
Immunogenetics--Congresses.
Immunoglobulins--Congresses.
Lymphocytes--Congresses.
Harvard subject headings:
HLA histocompatibility antigens--Congresses.
Immunogenetics--Congresses.
Immunoglobulins--Congresses.
Lymphocytes--Congresses.
Princeton subject headings: