Columbia subject headings:
Cell interaction--Congresses.
Mammals--Cytology--Congresses.
Mammals--Development--Congresses.
Harvard subject headings:
Cell interaction--Congresses
Mammals--Cytology--Congresses.
Mammals--Development--Congresses.
Princeton subject headings:
Cell interaction--Congresses.
Mammals--Cytology--Congresses.
Mammals--Development--Congresses.