Columbia subject headings:
Endometrium--Cytology--Congresses.
Hormones, Sex--Physiological effect--Congresses.
Hormones, Sex--Receptors--Congresses.
Uterus--Cytology--Congresses.
Uterus--Secretions--Congresses.
Harvard subject headings:
Endometrium--Cytology--Congresses.
Hormones, Sex--Physiological effect--Congresses.
Hormones, Sex--Receptors--Congresses.
Uterus--Cytology--Congresses.
Uterus--Secretions--Congresses.
Princeton subject headings: