Q31 According to the passage, which of the following are not concerns about the new treatment from Japan?
A. Small trial size
B. Patients can access such treatment
C. The data collection process to determine treatment effectiveness is unclear
D. Data is not published due to secrecy considerations
E. Patients may be misled
Based on examples in the passage, why might promising stem cell treatments not yield results?
I. Incorrect attribution of positive effects to treatment
II. They promise results that no other treatment can
III. Inapplicability of treatment to general population
IV. Because of the placebo effect
A. II and III only
B. III and IV only
C. I and II only
D. II and IV only
E. I and III only