Which source is the most useful for a research paper on the current use of primates in scientific laboratories? Consider timeliness of document, publisher and content when consider the usefulness of the source.

"Monkeys in our Labs," by Scott Gottieber, a USA Today staff writer. Published in USA Today Dec 15, 1989. Includes chart, "Number of Test Primates in the US, 1975-1985."		Laboratory Primate Advocacy Group website. LPAG is a nonprofit organization. Website last updated in 2001. "LPAG believes that the laboratory is no place for monkeys and nonhuman great apes."		"Better numbers on primate research," by Constance Holden. Published by the American Association for the Advancement of Science. Appeared in Science, a scholarly publication, on March 30, 2001.
How useful will 13 year old data be in this context?		Probably not by itself. What is the likelihood that the content provided will be unbiased?		Current, relevant, & scholarly: probably your best bet if the language isn't too technical.