Ainda não temos significados para "receive placebos".
1That compared with such improvement in only 3 percent of those receiving placebos.
2Thirty-eight percent receiving placebos reported that level of symptom relief.
3That magnitude of relief was only seen among two percent of the patients who received placebos.
4That was statistically better than the 37 percent of patients receiving placebos whose PSA levels progressed.
5Children who received zinc had significantly reduced levels of serum antibodies to CT than children who received placebos only.
6Among such patients receiving Oncophage, there was a 45 percent improvement in recurrence-free survival, compared to patients receiving placebos.
7Among the pairs where the females received the real stuff, courtship time was reduced by about 15 percent compared to those who received placebos.