Columbia subject headings:
Corpus luteum--Congresses.
Graafian follicle--Congresses.
Ovulation--Congresses.
Harvard subject headings:
Corpus luteum--Congresses.
Graafian follicle--Congresses.
Ovulation--Congresses.
Princeton subject headings:
Corpus luteum--Congresses.
Graafian follicle--Congresses.
Ovulation--Congresses.