Which of the following is INCORRECT?
A. An adverse reaction or suspected adverse reaction implies a causal relationship with the study product.
B. An adverse event is assessed as associated with the use of a study product when there is a reasonable possibility that the adverse event has been caused by the study product, i.e., there are facts (evidence) or arguments to suggest a causal relationship.
C. A severe adverse event implies it is serious.
D. An abnormal laboratory result may be a serious adverse event.
E. An adverse event listed in the drug's current labeling is considered unexpected if it is more severe or is reported at a higher level of specificity.