Can a person find relief from pain by attaching tiny magnets to an injured area?  It is important to find reliable information on topics such as "biomagnetic therapy," which has grown in popularity in recent years.

Directions:
Rank the sources below from (probably) most reliable to (probably) least reliable.
Then, state why the source is likely to be more reliable than the others.

    a.  A website devoted to debunking the claims of alternative medicine.

    b.  A website that sells magnets and is operated by a self-styled "alternative healer," who cliams that a magnetic mask placed on one's face can cure head colds.

    c.  A brochure by Bioflex, a corporation that sells over $1.5 billion worth of magnetic materials each year.

    d.  A recently published scholarly book, with reference notes, by a biology professor at the University of Washington.

    e.  An endorsement of magnets by the Montreal Expos' star pitcher, Hideki Irabu, who places them on his pitching arm.

    e.  An email interview this week with Edward McFarland, M.D., head of sports medicine at Johns Hopkins University, who has studied biomagnetics.