Which Is True About Adverse Effects Questions from a Clinical

Which is true about adverse effects questions from a clinical trial? Select all that apply.

A) Side effects should be minimized by planning for adverse events.
B) Adverse effects is one of the types of questions that can be asked as part of a clinical trial.
C) Side effects questions document adverse events encountered during the course of a trial.
D) The evidence from side effects is often inconclusive.