A student is writing a research paper about Alzheimer's disease. Which source could he use to discover the amount of scientific research that has already been done?

Question

Quizplus · Accepted Answer

An academic study detailing past and current research on Alzheimer's disease would provide the student with the necessary information. 
A newspaper article about current research regarding Alzheimer's disease is incorrect. A newspaper article about current research regarding Alzheimer's disease would not provide the student with the amount of scientific research that has already been done. 
An encyclopedia article on Alzheimer's disease is incorrect. An encyclopedia article on Alzheimer's disease is general, and would not necessarily provide the amount of scientific research that has already been done. Instead, it would contain background information and perhaps more general information on Alzheimer's. 
A library online catalog is incorrect. A library online catalog would provide information on where to find a book, including copyright information.

A Student Is Writing a Research Paper About Alzheimer's Disease