1. It was not possible to construct a satisfactory double blind challenge but he did have a positive open challenge to pure ethanol.

2. This randomized double blind study included 565 parturients.

3. Methods: Randomized double blind study was employed.

4. DESIGN:A double blind randomized controlled trial was conducted.

5. Methods The random and double blind method was used.

6. DESIGN:Randomly double blind and control experiment.

7. The answer is the "gold standard" double blind, placebo controlled study.

8. Double Blind Trial : Deploy an uber - charge within 8 seconds of a nearby enemy medic deploying his.

9. By design of polycentric, double blind and double simulation, observe change of NYHA, western medicinal symptom score, Chinese medicinal symptom score,[http://sentencedict.com/double blind.html] quality of life score and indexes of safety.

10. METHODS: In the randomized, double blind, parallel-group, controlled and multicenter study, 160 adult cases of periodontitis were divided evenly into experimental group and control group.

11. The study was made as a randomized double blind control trial.

12. Methods A random, double blind, and placebo control study was conducted.

13. METHOD Autogenous double blind test was performed with 18 SLE patients and 17 healthy persons followed by statistical analysis combined with the study of the structure and functions of antibody genes.

14. Methods:Multi - centered clinical trail, including randomized, double blind and open study, was conducted, and lofexidine was used as a reference drug.

15. So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.

16. The study was a double blind placebo controlled study adequately powered for OS as primary end-point.

17. In the double blind randomized controlled trial, total 257 patients entered the study, 132 in bifonazole group and 125 in clotrimazole group.

18. Methods The random clinical study with double blind was used.

19. Maberly and I reported results in inpatients with asthma and are doing an outpatient double blind randomised trial of neutralisation.

20. Objective: To compare the clinical applications of domestic enflurane and imported enflurane by randomly double blind controlled method.

21. AIM: To observe the effect of melatonin in treating elderly patients with primary insomnia by using the objective evaluating method of double blind placebo control.

22. Methods: Determination of content was studied by frist order derivative spectrophotometry, and its effects in clinical was verified baicalin by double blind method.

23. METHODS : CPCT was observed in the multi center, randomized, double blind, double simulated and paralleled control clinical trail.

24. The level of serum gastrin (LSG) and tongue signs of 113 patients which were randomly collected with the double blind method were investigated.

25. Combining insulin with metformin or an insulin secretagogue in non-obese patients with type 2 diabetes: 12 month, randomised, double blind trial.

26. We are now in the process of initiating a double blind study looking specifically at rifaximen and lactulose at treating HE as well their effects for both primary and secondary prevention of HE.