Columbia subject headings:
Phagocytosis--Congresses.
Harvard subject headings:
Immunity--Congresses
Macrophages--Congresses.
Monocytes--Congresses.
Phagocytosis--Congresses.
Princeton subject headings:
Immunity--Congresses.
Macrophages--Congresses.
Monocytes--Congresses.
Phagocytosis--Congresses.