Columbia subject headings:
Histocompatibility testing--Congresses.
Leucocytes--Classification--Congresses.
Tissue-specific antigens--Analysis--Congresses.
Harvard subject headings:
Histocompatibility testing--Congresses.
Leucocytes--Classification--Congresses.
Tissue-specific antigens--Analysis--Congresses.
Princeton subject headings:
Histocompatibility testing--Congresses.
Leucocytes--Classification--Congresses.
Tissue-specific antigens--Analysis--Congresses.