The panel also agreed on guidelines that would allow doctors to conduct quick and safe clinical trials, a process that generally takes years to complete. The world Health Organization, a United Nations agency did not release the guidelines. Dr. Mardel said they were flexible because no one knew where, when and in what setting SARS would return. Experts in many countries have already listed the treatments they want to test, and the health agency is leaving these decisions to individual nations.
1. Guidelines recommended by the scientific panel can be used for _____.
A. gathering potentially useful information about various therapies collected B. conducting clinical studies of SARS patients
C. determining treatment for SARS D. publishing all the information about SARS
2. According to the passage, it is difficult to interpret the results of certain treatments for SARS because _____.
A. patients were in different countries B. patients were given medicines in widely different settings
C. patients were at different stages of the illness
D. these conditions had no standardized measurements or controlled situations
3. According to doctors, the two methods to treat SARS patients who have breathing difficulties both _______.
A. carry the risk of infecting hospital employees B. are effective in curing patients who have breathing difficulties
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