1	exp Anthracyclines/
2	anthracycline$.tw.
3	doxorubicin.tw.
4	epirubicin.tw.
5	daunorubicin.tw.
6	idarubicin.tw.
7	valrubicin.tw.
8	or/1‐7
9	exp Taxoids/
10	taxane$.tw.
11	docetaxel.tw.
12	paclitaxel.tw.
13	nab‐paclitaxel.tw.
14	Cabazitaxel.tw.
15	or/9‐14
16	8 and 15
17	randomized controlled trial.pt.
18	controlled clinical trial.pt.
19	randomized.ab.
20	placebo.ab.
21	Clinical Trials as Topic/
22	randomly.ab.
23	trial.ti.
24	(crossover or cross‐over).tw.
25	Pragmatic Clinical Trials as Topic/
26	pragmatic clinical trial.pt.
27	or/17‐26
28	exp Breast Neoplasms/
29	(breast adj6 cancer$).tw.
30	(breast adj6 neoplasm$).tw.
31	(breast adj6 carcinoma$).tw.
32	(breast adj6 tumo?r$).tw.
33	or/28‐32
34	16 and 27 and 33
35	remove duplicates from 34
36	Animals/ not Humans/
37	35 not 36