The probability of death due to infectious disease in sub-Saharan Africa is ____%, but only ____% in developed countries, such as the United States.

Which type of evidence is an empty gasoline can?

a. material b. demonstrative c. direct d. physical

What is the BEST way to diagnose an endocrine disorder?

A) Surgical biopsies B) Serum assays C) CT guided needle biopsy D) Nuclear medicine scan