SAN FRANCISCO, Sept. 20, 2011 / PRNewswire-USNewswire / - Mgbe otu Nzukọ FDA Town Tọzdee, ndị ahịa merụrụ ahụ, ndị dọkịta, na ndị ọkachamara n'ịgwọ ahụike ga-ama aka na Nchịkwa nri na ọgwụ ọjọọ iji kpuchido ọha na eze site na "ọlaọcha" eze amalgam fillings nwere 45-55% ahịa. Dr. Jeffrey Shuren, Director nke Center for Devices and Radiological Health (CDRH), ga-anabata nzukọ a na September 22, site na elekere asatọ nke ụtụtụ na Embassy Suites Hotel, San Francisco Airport.
