“placebo group”簡單造句，placebo group造句子

After eight months, the diazoxide group outperformed the placebo group on both learning and memory.

Six months postpartum, the rate of high levels of depressive symptoms was not significantly different between groups: 9.67% for women assigned to DHA supplementation and 11.19% in the placebo group.

Participants taking 1,200 mg of calcium daily found their symptoms diminished by 48 percent, compared with 30 percent in the placebo group.

Among women with breast cancer, those who took hormones were more likely to have cancerous lymph nodes, a sign of more advanced disease - 23.7 percent, versus 16.2 percent in the placebo group.

Subjects in one of four calcium subgroups noted a 54 per cent reduction in aches and pains, while the placebo group had a 15 per cent increase.

After six weeks, participants in the research took another series of tests and no difference was found between the ginkgo group and the placebo group.