1	exp Selective Estrogen Receptor Modulators/
2	exp Aromatase Inhibitors/
3	exp TAMOXIFEN/
4	tamoxifen.mp.
5	exp Raloxifene Hydrochloride/
6	raloxifene.mp.
7	lasofoxifene.mp.
8	arzoxifene.mp.
9	droloxifene.mp.
10	bazedoxifene.mp.
11	fulvestrant.mp.
12	anastrozole.mp.
13	letrozole.mp.
14	exemestane.mp.
15	or/1‐14
16	exp Breast Density/
17	exp MAMMOGRAPHY/
18	exp Mammary Glands, Human/
19	((mammogr* or breast or mammary) adj6 dens*).tw.
20	dens*.tw.
21	(17 or 18) and 20
22	16 or 19 or 21
23	15 and 22
24	Animals/ not Humans/
25	23 not 24
26	limit 25 to yr="1996 ‐Current"